Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien als » technologien des, technologien fur, technologien und
developing basin » developing asia, developing asian, developing based
als information » als informations, aids information, laws information
information 3 » information 2
how personal » from personal, a personal, 1 personal
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
3 how » _ how, 2 how
area. » areas.

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 3 how personal communication costs 4 developing basin area.*.