Perhaps you should try some spelling variations:
integration theory » integration through, information theory, innovation theory
interaction terms » interaction term
deep integration » data integration
farm interaction » face interaction, from interaction, from interactions
support deep » supported deep, support de, support does
support farm » support firms, support from, support farmers

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

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