Perhaps you should try some spelling variations:
oral communication » mobile communication, _ communication, risk communication
development case » development bank, development a, development aid
communication 4 » communication _, communication a, communications _
information et » information act, information _, information need
case africa » east africa, can africa, east african
4 human » _ human, a human, _ humans

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information et de oral communication 4 human development case africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information et de oral communication 4 human development case africa.*.