Perhaps you should try some spelling variations:
"support group integration theories." » "support group integration theorems.", "support group integrationstheorie 2.", "support group integration theory.", "support group interaction theories.", "support group interactions theories.", "support erp integration theories.", "support grant integration theories."
"supporting _ international social." » "supporting _ international society.", "supporting _ international sourcing.", "supporting _ international seminar."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support group integration theories.") or ("supporting _ international social."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support group integration theories.") OR ("supporting _ international social."))*.
• Removing quotes may allow a broader search: (( support group integration theories. ) or ( supporting _ international social. ))*.