Perhaps you should try some spelling variations:
rate transformation » state transformation, erste transformation, ratio transformation
transformation key » transformational key, transformation bei, transformation _
technology rate » technology state, technology role, technology related
3 communication » 4 communication, de communication, data communication
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing em » developing e, developing eq, developing amp
debates 3 » debates _, debate 3, debates y
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
em africa » 1 africa

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

• Adding a wildcard symbol may retrieve word variants: technology rate transformation key debates 3 communication costs 2.2 developing em africa.*.