Perhaps you should try some spelling variations:
persons communication » personal communication, personal communications, garrisons communication
technologien fur » technologien des, technologien und, technologies 2
developing areas » developing asia, developing east, developing a
fur information » zur information, fair information, your information
information 2 » information 3
post persons » post personal, poor persons, 1st person
4 developing » 3 developing
areas area » areas arenas, areas aida, areas africa
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 fur information 2 post persons communication costs 4 developing areas area.*.