Perhaps you should try some spelling variations:
cooperation cost » cooperation case, cooperation across, cooperation et
developing east » development east, developing a, developing asia
technologies 4 » technologies _
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
during sector » nursing sector, housing sector, farming sector
4 transition » 2 transition, de transition, en transition
transition 3 » transition _, transition a
east areas » karst areas, east asezs
3 during » 0 during, eu during, dd during
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 transition 3 during sector cooperation cost 2.2 developing east areas.*.