Perhaps you should try some spelling variations:
wired communications » aided communications, speed communications, wireless communications
communications costs » communication costs, communications _
information centre » information centers, information contents
technologies 4 » technologies _
4 information » 2 information, 1 information
developing de » developing e, developing ce, developing deep
1 developing » 3 developing, 4 developing, 2 developing
de africa » does africa, de america, use africa
costs 1 » 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: technologies 4 information centre _ wired communications costs 1 developing de africa.*.