Perhaps you should try some spelling variations:
"export bans integration through." » "export bans innovation through.", "export can integration through.", "export urban integration through.", "export data integration through.", "export base integration through.", "export bias integration through.", "import bans integration through."
"support policy intervention series." » "support policy interventions series.", "support policy intervention prices.", "support policy intervention systems.", "support policy intervention design.", "support policies intervention series.", "import policy intervention series."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("export bans integration through.") or ("support policy intervention series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("export bans integration through.") OR ("support policy intervention series."))*.
• Removing quotes may allow a broader search: (( export bans integration through. ) or ( support policy intervention series. ))*.