Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
group registration » drug registration, graph registration, product registration
registration fees » registration fee
data integration » data integrity
support group » support grant

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

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