Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
de communication » mobile communication, online communication
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
1 areas » 1 area, 2 areas, 4 areas
3.2 a » 3.2 _, 2.2 a
a de » a die, a 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 3.2 a de communication costs 4 developing 1 areas.*.