Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information case » information based, information can, information costs
dr communication » de communication, csr communication, 3 communication
15.3 developing » 1.3 developing, 10.3 developing, 5.3 developing
developing a » developing _
costs 15.3 » costs 12.3, costs 14.3, costs 5.3
case des » cases des, case das, phase des
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information case des dr communication costs 15.3 developing a areas.*.