Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
des communication » les communications, nets communication, c's communication
aids information » chandos information, series information
4.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
information 1 » information 2, information 3, information 3.2
developing a » developing _
costs 4.3 » costs 4.2, costs 4.4, costs 2.3
des des » des deas, des dem, des der
a areas » 1 areas, 2 areas, 4 areas
1 des » 1 das, 1 der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 1 des des communication costs 4.3 developing a areas.*.