Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
information 3 » information 2
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
2 areal » 2 real, _ areal, 2 areas
aid de » aid do, aid debt, aid does
3 aid » 3 aimd, _ aid, 3 aim

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3 aid de communication costs 4 developing 2 areal.*.