Perhaps you should try some spelling variations:
"support trade integration efforts." » "support trade international efforts.", "support trade conservation efforts.", "support trainer integration efforts.", "export trade integration efforts.", "import trade integration efforts."
"support social integration series." » "support social integration services.", "support social interaction series.", "support social integration server.", "support global integration series.", "support financial integration series.", "support regional integration series.", "supporting social integration series.", "supply social integration series."

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: (("support social integration series.") or ("support trade integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support social integration series.") OR ("support trade integration efforts.")).
• Removing quotes may allow a broader search: (( support social integration series. ) or ( support trade integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("support social integration series.") or ("support trade integration efforts."))*.