Perhaps you should try some spelling variations:
interaction series » interactions series, interaction studies, interaction terms
grant interaction » graph interaction, gradient interaction, plant interactions
grant integration » migrant integration, migrants integration, statt integration
integration some » integration south, integration soziale, integration social

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

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