Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien math » technologien mit, technologien als, technologien am
math information » catch information, much information, health information
information case » information based, information can, information costs
de communication » mobile communication, online communication
3.3 developing » 4 developing, 2 developing, 1 developing
developing a » developing _
case das » case des, case case, case data
cost 3.3 » cost 3.2, cost 2.3, cost 3.4
a areas » 1 areas, 2 areas, 4 areas
das de » das der, das dem, das den

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

• Adding a wildcard symbol may retrieve word variants: technologien math information case das de communication cost 3.3 developing a areas.*.