Perhaps you should try some spelling variations:
"support through integration theories." » "support through integration theorems.", "support through integrationstheorie 2.", "support through integration series.", "support through integrated theories.", "support through international theories.", "support through innovation theories."
"supply factors integration theory." » "supply factor integration theory.", "supply facto integration theory.", "supply sector integration theory.", "supply factors integration through.", "supply factors information theory.", "supply factors innovation theory.", "supply functions 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 factors integration theory.") or ("support through integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply factors integration theory.") OR ("support through integration theories.")).
• Removing quotes may allow a broader search: (( supply factors integration theory. ) or ( support through integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("supply factors integration theory.") or ("support through integration theories."))*.