Perhaps you should try some spelling variations:
estimate interregional » activity interregional, some interregional, estimating international
interregional series » international series, l'international series, interregional disparities
integration series » integration services, interaction series, integration server
support estimate » support climate, support state, supports climate
fare integration » trade integration, die integration
support fare » support farm, support farmers, support future

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support estimate interregional series. ) or ( support fare integration series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support estimate interregional series. ) OR ( support fare integration series. )).
• Adding a wildcard symbol may retrieve word variants: (( support estimate interregional series. ) or ( support fare integration series. ))*.