Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information costs » information contents, information centers, information content
technologien des » technologien fur, technologien und, technologies 2
de communication » mobile communication, online communication
des information » des informations, does information, dis information
3.3 developing » 4 developing, 2 developing, 1 developing
developing e » developing _, developing a, developing east
costs des » costs fees
cost 3.3 » cost 3.2, cost 2.3, cost 3.4
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: technologien des information costs des de communication cost 3.3 developing e areas.*.