Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
development cross » development across, development case, development co
technology der » technology does, technology 4ir, technology dlt
der functional » der funktional, order functional, der funktionale
4 development » 2 development, 4 developing
cross africa » across africa, across african, crises africa
how verbal » non verbal
forms how » reforms how, forces how, force how
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: technology der functional forms how verbal communication costs 4 development cross africa.*.