Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologies de » technologies _, technologies 4, technologies 2
de information » die information, de informacion, e information
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
costs 1.3 » costs 12.3, costs 14.3, costs 15.3
part de » parti de, part des, parte de
contents » context

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

• Adding a wildcard symbol may retrieve word variants: technologies de information contents part de communication costs 1.3 developing _ africa.*.