Perhaps you should try some spelling variations:
integration theories » integration theory, integration efforts, integration reforms
integration through » innovation through
fare integration » market integration, trade integration, data integration
a integration » _ integration, can integration, eu integration
support fare » support falls, support state, support trade
support a » support _

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 through. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support a integration theories. ) OR ( support fare integration through. )).
• Adding a wildcard symbol may retrieve word variants: (( support a integration theories. ) or ( support fare integration through. ))*.