Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien ids » technologien des, technologien als, technologien im
de communication » mobile communication, online communication
ids information » aids information, dis information, mis information
3.3 developing » 4 developing, 2 developing, 1 developing
contents des » contenus des, contents less, contents je
developing a » developing _
cost 3.3 » cost 3.2, cost 2.3, cost 3.4
a 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 ids information contents des de communication cost 3.3 developing a areas.*.