Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information costs » information contents, information centers, information content
technologien als » technologien des, technologien fur, technologien und
developing aside » developing asia, developing asian, developing asia's
als information » als informations, aids information, laws information
case personal » das personal, have personal, wave personal
4 developing » 3 developing
aside areas » marine areas, alpine areas, saline areas
costs case » costs cash
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 als information costs case personal communication costs 4 developing aside areas.*.