Perhaps you should try some spelling variations:
"supply social integration theories." » "supply social integration theorems.", "supply social integrationstheorie 2.", "supply social integration theory.", "supply global integration theories.", "supply financial integration theories.", "supply regional integration theories."
"supply urban integration series." » "supply urban integration services.", "supply urban interaction series.", "supply urban integration server.", "supply european integration series.", "supply urban migration series.", "supply chain integration series."

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

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