Perhaps you should try some spelling variations:
integration theory » integration through, information theory, innovation theory
learning series » learning theories, learning styles, learning spaces
group learning » group lending
support group » support grant
support grid » support agri, support grant, support build

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

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