Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centre » information centers, information contents
et communications » et communication, et communicatione, 10 communications
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
developing 11 » developing _, developing a, developing e
11 african » 1.1 african, 1 african, 10 african
centre 13 » centre 11, centre 16, centre 2013
costs 4.4 » costs 4.2
13 et » 12 et

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information centre 13 et communications costs 4.4 developing 11 african.*.