Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies 2 » technologies _, technologies 4
von personal » non personal, lohn personal, von personen
4 developing » 3 developing
developing a » developing _
preface von » preface how, preface one, preface v
a access » 2 access, 3 access, 4 access
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information preface von personal communication costs 4 developing a access.*.