Perhaps you should try some spelling variations:
"supply crowd integration theories." » "supply crowd integration theorems.", "supply crowd integrationstheorie 2.", "supply crowd integration theory.", "supply grid integration theories.", "supply rfid integration theories.", "supply beyond integration theories.", "supply growth integration theories.", "supply cost integration theories.", "supply from integration theories."
"support group integration social." » "support group international social.", "support group interaction social.", "support group interactions social.", "support erp integration social.", "support grant integration social."

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 social.") or ("supply crowd integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support group integration social.") OR ("supply crowd integration theories.")).
• Removing quotes may allow a broader search: (( support group integration social. ) or ( supply crowd integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("support group integration social.") or ("supply crowd integration theories."))*.