Perhaps you should try some spelling variations:
"import data integration schemes." » "import data irrigation schemes.", "import data integration some.", "import data integration theories.", "import trade integration schemes.", "import _ integration schemes.", "import data integrity schemes.", "import duty integration schemes."
"supply factor integration series." » "supply facto integration series.", "supply sector integration series.", "supply faculty integration series.", "supply factor integration theories.", "supply factor integrating services.", "supply factor integration social.", "supply factors integration series.", "supply water integration series."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("import data integration schemes.") OR ("supply factor integration series."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"import data integration schemes.\") OR (\"supply factor integration series.\"))".
• Removing quotes may allow a broader search: (( import data integration schemes. ) OR ( supply factor integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("import data integration schemes.") OR ("supply factor integration series."))*.