Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
4 information » 2 information, 1 information
information 2 » information 3
technology 4 » technology _, technology 1, technology 3
developing a » developing _
decades de » decades _, decades a, decada de
2 decades » _ decades, 1 decades, _ decade's
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information 2 decades de communication costs 4.2 developing a africa.*.