Perhaps you should try some spelling variations:
integration theory » integration through, information theory, innovation theory
interaction terms » interaction term
face interaction » machine interaction, matter interaction, 3.2 interaction
eu integration » deep integration, die integration, data integration
support face » support place, support act, support farm
support eu » support _, support a, support 4

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support eu integration theory. ) or ( support face interaction terms. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support eu integration theory. ) OR ( support face interaction terms. ))*.