Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
technologie c » technologies 2, technologies 3, technologies 1
c information » 2 information, 1 information, 10 information
contents des » contenus des, contents less, contents je
developing e » developing _, developing a, developing east
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
e areas » 1 areas, 2 areas, 4 areas
des de » des dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: technologie c information contents des de communication cost 2.2 developing e areas.*.