Perhaps you should try some spelling variations:
personal communication » interpersonal communication
developing basin » developing asia, developing asian, developing based
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
information 2 » information 3
how personal » from personal, a personal, 1 personal
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
2 how » _ 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 ad information 2 how personal communication costs 4 developing basin area.*.