Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information 5.3.1 » information 4.3.3, information 2.3.2, information 3.3.3
technologien 2 » technologies 2, technologien _, technologien 1
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing 1 » developing _, developing a, developing e
e personal » de personal, 1 personal, 4 personal
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
5.3.1 e » 5.3.1 eu, 5.3.1 _, 5.3.1 a
1 areas » 1 area, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information 5.3.1 e personal communication costs 3.2 developing 1 areas.*.