Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information 15.2 » information 1.5.2, information 1.2, information 1.3
technologien a » technologien am, technologien ad, technologien _
a information » 2 information, 1 information
3 developing » 3 development
costs 3 » costs _, costs 4, costs a
15.2 a » 15.2 _

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

• Adding a wildcard symbol may retrieve word variants: technologien a information 15.2 a personal communication costs 3 developing _ areas.*.