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 based » development based, developing asia, developing east
3 developing » 3 development
de personal » der personal, des personal, de persona
based areas » base areas, based areal, basic areas
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information _ de personal communication costs 3 developing based areas.*.