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."
"supply case integration social." » "supply case international social.", "supply care integration social.", "supply scale integration social.", "supply based integration social.", "supply cost integration social.", "supply chain integration social.", "supply curve 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: (("supply case integration social.") or ("support from integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply case integration social.") OR ("support from integration theories.")).
• Removing quotes may allow a broader search: (( supply case integration social. ) or ( support from integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("supply case integration social.") or ("support from integration theories."))*.