Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
oral communication » personal communication
information need » information needs, information needed, information speed
development aid » development a, development africa, development agenda
le development » e development, ce development, le developpement
skills le » skills als, skills lab, skills _
need de » need le, need fide, need one
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: technologies _ information need de oral communication skills le development aid afrique.*.