Perhaps you should try some spelling variations:
"support agri integration theories." » "support agri integration theorems.", "support agri integrationstheorie 2.", "support agri integration theory.", "support grid integration theories.", "support der integration theories.", "support iii integration theories.", "support aging integration theories.", "support a integration theories."
"support fare integration some." » "support trade integration some.", "support die integration some.", "support fare integration south.", "support fare integration soziale.", "support fare integration social.", "support farm integration some.", "support farmers integration some.", "support future integration some."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support agri integration theories.") OR ("support fare integration some."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support agri integration theories.\") OR (\"support fare integration some.\"))".
• Removing quotes may allow a broader search: (( support agri integration theories. ) OR ( support fare integration some. )).
• Adding a wildcard symbol may retrieve word variants: (("support agri integration theories.") OR ("support fare integration some."))*.