Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information please » information preface, information case, information learned
development 3.6 » development 3.1, development 3.3, development 3.2
60 development » 20 development, 10 development, 6.10 development
de personal » der personal, des personal, de persona
3.6 access » 3.1 access, 3.2 access, 3 access
please de » please _, phase de, please 5
costs 60 » costs 20, costs 6.4, costs 168

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information please de personal communication costs 60 development 3.6 access.*.