Perhaps you should try some spelling variations:
"support from integration theories." » "support from integration theorems.", "support from integrationstheorie 2.", "support from integration theory.", "support roma integration theories.", "support from immigration theories.", "support from international theories."
"support group integration through." » "support group innovation through.", "support group interaction through.", "support group interactions through.", "support erp integration through.", "support grant integration through."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support from integration theories.") or ("support group integration through."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support from integration theories.") OR ("support group integration through.")).
• Removing quotes may allow a broader search: (( support from integration theories. ) or ( support group integration through. )).
• Adding a wildcard symbol may retrieve word variants: (("support from integration theories.") or ("support group integration through."))*.