Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
use information » user information, house information, users information
technology use » technology 1, technology 2.2, technology 3
information un » information und, information unit, information use
developing de » developing e, developing ce, developing deep
3 developing » 3 development
debate 3.2 » debate 4.2, debate 2.2, debate 3.1
un debate » un debat, u.s debate, _ debate
de africa » does africa, de america, use africa
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology use information un debate 3.2 communication costs 3 developing de africa.*.