Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
fare integration » market integration, trade integration, data integration
green banking » open banking, green banks
free banking » e banking
support fare » support falls, support state, support trade

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support ((green banking) OR (free banking)) series. ) or ( support fare integration efforts. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support ((green banking) OR (free banking)) series. ) OR ( support fare integration efforts. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( support ((green banking) OR (free banking)) series. ) or ( support fare integration efforts. ))".
• Adding a wildcard symbol may retrieve word variants: (( support ((green banking) OR (free banking)) series. ) or ( support fare integration efforts. ))*.