Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4 communications » 14 communications, 4 communication, 2 communications
12.3 developing » 1.3 developing, 12.4 developing, 2.3 developing
technologie de » technologies de, technologie der, technologie die
de information » die information, de informacion, e information
contents parte » contents part, contexts part, content part
costs 12.3 » costs 2.3, costs 12.4, costs 14.3
parte 4 » partie 4, parte i, parte 1

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

• Adding a wildcard symbol may retrieve word variants: technologie de information contents parte 4 communications costs 12.3 developing _ africa.*.