Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information 1.5.2 » information 1.2, information 2
technologien a » technologien am, technologien ad, technologien _
a information » 2 information, 1 information
3 developing » 3 development
developing 4 » developing _, developing a, developing e
1.5.2 a » 11.5.2 a, 12.5.2 a, 13.5.2 a
costs 3 » costs _, costs 4, costs a
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien a information 1.5.2 a personal communication costs 3 developing 4 areas.*.