Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
informations 5.2 » information 15.2, information 1.5.2, information 5.2.2
technologien a » technologien am, technologien ad, technologien _
a informations » a information, 2 informations, 3 informations
development 2 » development 1, development 2.1, development 2.3
e personal » de personal, 1 personal, 4 personal
costs a » costs _, costs 4
2 areal » 2 real, _ areal, 2 areas
5.2 e » 5.2 ep, 5.2 _, 5.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologien a informations 5.2 e personal communications costs a development 2 areal.*.