Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
shadow immigration » scale immigration
immigration policy » migration policy
run integration » eu integration, can integration, urban integration
supply shadow » supply how
support run » support grant, support group, support funds

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply shadow immigration policy. ) or ( support run integration efforts. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply shadow immigration policy. ) OR ( support run integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (( supply shadow immigration policy. ) or ( support run integration efforts. ))*.