Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
group integration » group interaction, group interactions, erp integration
migration policy » education policy
die migration » male migration, 1 migration, 12 migration
support group » support grant
supply die » supply driven

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply die migration policy. ) or ( support group integration efforts. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply die migration policy. ) OR ( support group integration efforts. ))*.