Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien ids » technologien des, technologien als, technologien im
information case » information based, information can, information costs
de communication » mobile communication, online communication
ids information » aids information, dis information, mis information
3.4 developing » 13.4 developing, 3.3 developing, 3.2 developing
developing 4 » developing _, developing a, developing e
case des » cases des, case das, phase des
cost 3.4 » cost 2.4, cost 3.2, cost 3.5
4 areas » 1 areas, 2 areas, 4 areal
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 case des de communication cost 3.4 developing 4 areas.*.