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
developing basic » developing asia, developing based, developing brazil
information can » information case, information 1, information 1.2
4 developing » 3 developing
de personal » der personal, des personal, de persona
costs 4 » costs _, costs a, costs 4.2
can de » can do, can code, can deal

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information can de personal communication costs 4 developing basic ideas.*.