Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien fur » technologien des, technologien und, technologies 2
information case » information based, information can, information costs
fur information » zur information, fair information, your information
developing east » development east, developing a, developing asia
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
des personal » des personals, der personal, das personal
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
east sezs » east asezs, east seeds
case des » cases des, case das, phase des

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information case des personal communication costs 3.5 developing east sezs.*.