Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
technologien fur » technologien des, technologien und, technologies 2
developing areas » developing asia, developing east, developing a
fur information » zur information, fair information, your information
25.5 developing » 5.5 developing, 2.5.3 developing, 2.2 developing
information 2 » information 3
areas arenas » areas trends, seas areas
der persona » der personal, der person, de persona
costs 25.5 » costs 2.5, costs 25.6, costs 2.5.3
2 der » _ der

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 der persona communication costs 25.5 developing areas arenas.*.