Perhaps you should try some spelling variations:
"support grant integration efforts." » "support grant international efforts.", "support grant conservation efforts.", "support migrant integration efforts.", "support trade integration efforts.", "support grid integration efforts."
"support gvc integration series." » "support gvc integration theories.", "support gvc integrating services.", "support gvc integration schemes.", "support grid integration series.", "support _ integration series.", "support eu integration series.", "support ndc integration series.", "support agri 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: (("support gvc integration series.") or ("support grant integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support gvc integration series.") OR ("support grant integration efforts."))*.
• Removing quotes may allow a broader search: (( support gvc integration series. ) or ( support grant integration efforts. ))*.