Perhaps you should try some spelling variations:
"report urban integration series." » "report urban integration theories.", "report urban integrating services.", "report urban integration schemes.", "report european integration series.", "report global integration series.", "report urban migration series."
"support trade integration series." » "support trade integration theories.", "support trade integrating services.", "support trade integration schemes.", "export trade integration series.", "support grant integration series.", "import trade 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: (("report urban integration series.") OR ("support trade integration series."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"report urban integration series.\") OR (\"support trade integration series.\"))".
• Removing quotes may allow a broader search: (( report urban integration series. ) OR ( support trade integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("report urban integration series.") OR ("support trade integration series."))*.