Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien der » technologien des, technologie der, technologien fur
developing areas » developing asia, developing east, developing a
der information » insider information, sector information, labor information
1.5 developing » 1.3 developing, 15 developing, 1.4 developing
information 2 » information 3
des personal » des personals, der personal, das personal
areas arenas » areas trends, seas areas
costs 1.5 » costs 3.5, costs 2.5, costs 4.5
2 des » 2 der, 2 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologien der information 2 des personal communication costs 1.5 developing areas arenas.*.