Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
between development » better development, between developed, network development
development land » development band, development plans, development plan
risk reduktion » risk reduction, risk reductions, risk regulation
reduktion der » reaktion der
frame verbal » forma verbal, frame urban, pre verbal
der frame » der frage, per frame, order frame
a between » 2 between, 4 between, 3 between

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

• Adding a wildcard symbol may retrieve word variants: technology risk reduktion der frame verbal communication a between development land aortic.*.