Perhaps you should try some spelling variations:
"export bans integration theories." » "export bans integration theorems.", "export bans integrationstheorie 2.", "export bans integration theory.", "export means integration theories.", "export banana integration theories.", "export urban integration theories.", "export base integration theories.", "export bias integration theories.", "import bans integration theories."
"support trade irrigation schemes." » "support trade irrigation scheme.", "support trade irrigation systems.", "support pradesh irrigation schemes.", "support scale irrigation schemes.", "support grain irrigation schemes.", "support trainer irrigation schemes.", "export trade irrigation schemes.", "import trade irrigation schemes."

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

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