Perhaps you should try some spelling variations:
technologien secondary » technologien bedarf, technologies necessary
personal communication » interpersonal communication
secondary information » security information
information 2 » information 3
new personal » der personal, how personal, de personal
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
1 areas » 1 area, 2 areas, 4 areas
2 new » _ new, a new, 3 new

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

• Adding a wildcard symbol may retrieve word variants: technologien secondary information 2 new personal communication costs 4 developing 1 areas.*.