Perhaps you should try some spelling variations:
"import fare integration theories." » "import fare integration theorems.", "import fare integrationstheorie 2.", "import fare integration theory.", "import trade integration theories.", "import die integration theories.", "import share integration theories.", "import mart integration theories.", "import market integration theories."
"support grant integration power." » "support migrant integration power.", "support migrants integration power.", "support statt integration power.", "support grant integrative power.", "support grant integration process.", "support grant international power."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("import fare integration theories.") or ("support grant integration power."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("import fare integration theories.") OR ("support grant integration power."))*.
• Removing quotes may allow a broader search: (( import fare integration theories. ) or ( support grant integration power. ))*.