Perhaps you should try some spelling variations:
"support price immigration policies." » "support price immigration policy.", "support price migration policy.", "support race immigration policies.", "support from immigration policies.", "support gross immigration policies.", "support process immigration policies.", "support policy immigration policies.", "export price immigration policies."
"support grant integration series." » "support grant integration theories.", "support grant integrating services.", "support grant integration schemes.", "support migrant integration series.", "support trade integration series.", "support grid 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: (("support grant integration series.") OR ("support price immigration policies."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support grant integration series.\") OR (\"support price immigration policies.\"))".
• Removing quotes may allow a broader search: (( support grant integration series. ) OR ( support price immigration policies. )).
• Adding a wildcard symbol may retrieve word variants: (("support grant integration series.") OR ("support price immigration policies."))*.