Perhaps you should try some spelling variations:
"fisheries management control." » "resources management control."
"data management issues." » "data management case.", "debt management issues.", "bank management issues.", "demand management issues."
"waste management entity." » "waste management energy.", "waste management activity.", "waste management quality.", "debt management entity."
"asset management concepts." » "debt management concepts."
"city management a." » "case management a.", "security management a.", "facility management a."
"crop management a." » "case management a.", "crisis management a.", "chain management a."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((((((((("city management a.") OR ("crop management a."))) or ("data management issues."))) or ("fisheries management control."))) or ("waste management entity."))) or ((("land management _.") or ("asset management concepts."))))) or ((("financial management contracts.") or ("cash management tools."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((((((("city management a.") OR ("crop management a."))) OR ("data management issues."))) OR ("fisheries management control."))) OR ("waste management entity."))) OR ((("land management _.") OR ("asset management concepts."))))) OR ((("financial management contracts.") OR ("cash management tools.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((((((\"city management a.\") OR (\"crop management a.\"))) or (\"data management issues.\"))) or (\"fisheries management control.\"))) or (\"waste management entity.\"))) or (((\"land management _.\") or (\"asset management concepts.\"))))) or (((\"financial management contracts.\") or (\"cash management tools.\"))))".
• Removing quotes may allow a broader search: (((((((((((( city management a. ) OR ( crop management a. ))) or ( data management issues. ))) or ( fisheries management control. ))) or ( waste management entity. ))) or ((( land management _. ) or ( asset management concepts. ))))) or ((( financial management contracts. ) or ( cash management tools. )))).
• Adding a wildcard symbol may retrieve word variants: (((((((((((("city management a.") OR ("crop management a."))) or ("data management issues."))) or ("fisheries management control."))) or ("waste management entity."))) or ((("land management _.") or ("asset management concepts."))))) or ((("financial management contracts.") or ("cash management tools."))))*.