Perhaps you should try some spelling variations:
"supply crowd integration social." » "supply crowd international social.", "supply grid integration social.", "supply rfid integration social.", "supply beyond integration social.", "supply growth integration social.", "supply cost integration social.", "supply from integration social."
"survey school integration theory." » "survey school reintegration theory.", "survey school integrating theory.", "survey school interactions theory.", "survey school integration through.", "survey school information theory.", "survey school innovation theory.", "survey tool integration theory.", "sydney school integration theory."

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

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