Perhaps you should try some spelling variations:
"export more integration theories." » "export more integration theorems.", "export more integrationstheorie 2.", "export more integration theory.", "export fare integration theories.", "export care integration theories.", "export re integration theories.", "export korea integration theories.", "export market integration theories.", "export import integration theories."
"supply rapid information theory." » "supply road information theory.", "supply land information theory.", "supply based information theory.", "support rapid information theory.", "supply asia information theory.", "supply rates information theory."

Try widening your search to All Fields.

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

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