Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
developing asia » development asia, developing a
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
information 2 » information 3
post personal » post persons, report personal, das personal
asia area » asia korea, sea area, asia asia

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

• Adding a wildcard symbol may retrieve word variants: technologien und information 2 post personal communications costs 4.2 developing asia area.*.