Perhaps you should try some spelling variations:
information centre » information centers, information contents
oral communication » personal communication
technologies de » technologies _, technologies 4, technologies 2
de information » die information, de informacion, e information
4 developing » 3 developing
developing a » developing _
centre itc » centre pwtc, centre bic
a african » _ african, 1 african, 2 african
itc oral » etc moral, i oral, ii oral
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies de information centre itc oral communication costs 4 developing a african.*.