Perhaps you should try some spelling variations:
communication methods » communication media, communication model
oral communication » personal communication
c830 development » 2030 development, 3 development, 2.3 development
methods c830 » methods 2.3, methods 1.3, methods 18.3
a afrique » l afrique, en afrique
flows de » flows do, flows debt, flows bei
de oral » de otras, new oral

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

• Adding a wildcard symbol may retrieve word variants: technology _ information flows de oral communication methods c830 development a afrique.*.