Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information b » information 2, information 1, information bank
des personal » des personals, der personal, das personal
4 developing » 3 developing
developing e » developing _, developing a, developing east
costs 4 » costs _, costs a, costs 4.2
e areas » 1 areas, 2 areas, 4 areas
b des » b does, b der, b das

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information b des personal communication costs 4 developing e areas.*.