Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information case » information based, information can, information costs
developing basic » developing asia, developing based, developing brazil
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
debt personal » der personal, de personal, des personal
4 developing » 3 developing
case debt » rate debt, case des
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information case debt personal communication costs 4 developing basic ideas.*.