Perhaps you should try some spelling variations:
"support a integration theories." » "support a integration theory.", "support a integration through.", "support a integration efforts.", "support _ integration theories.", "support can integration theories.", "support eu integration theories."
"support fare integration some." » "support market integration some.", "support trade integration some.", "support data integration some.", "support fare integration volume.", "support fare integration power.", "support fare integration south.", "support falls integration some.", "support state 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 a integration theories.") OR ("support fare integration some."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support a integration theories.\") OR (\"support fare integration some.\"))".
• Removing quotes may allow a broader search: (( support a integration theories. ) OR ( support fare integration some. )).
• Adding a wildcard symbol may retrieve word variants: (("support a integration theories.") OR ("support fare integration some."))*.