Perhaps you should try some spelling variations:
personal communication » interpersonal communication
2.3 development » 2 development, 2015 development, 1 development
development 2.3 » development 2.1, development 1
information 10 » information 1, information 11, information 14
under personal » und personal, der personal, de personal
2.3 access » 5.3 access, 1.3 access, 2.4 access
costs 2.3 » costs 4.2, costs 4.4
10 under » 13 under, 1990 under, 10 gender

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

• Adding a wildcard symbol may retrieve word variants: technologien _ information 10 under personal communication costs 2.3 development 2.3 access.*.