Perhaps you should try some spelling variations:
"its communication issues" » "its community issues", "its communication india", "its communication united", "c's communication issues", "mass communication issues", "les communications issues"
"nets communication italy" » "nets communication india", "nets communication united", "lea's communication italy", "mass communication italy", "c's communication italy"
"city cooperation history" » "city corporation history", "city federation history", "china cooperation history", "city corporations history"

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: (((("its communication issues") or ("nets communication italy"))) or ("city cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its communication issues") OR ("nets communication italy"))) OR ("city cooperation history")).
• Removing quotes may allow a broader search: (((( its communication issues ) or ( nets communication italy ))) or ( city cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("its communication issues") or ("nets communication italy"))) or ("city cooperation history"))*.