Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
de communication » mobile communication, online communication
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
technologies 2 » technologies _, technologies 4
contents how » content how, contents co, contents mot
developing a » developing _
costa 12.4 » costs 12.4, cost 2.4, cost 14.4
a africa » 1 africa, can africa, em africa
how de » how doe, how do, how ae

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents how de communication costa 12.4 developing a africa.*.