Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
technologies trade » technology trade, technologies case, technologies table
oral communication » personal communication
trade information » price information, private information, trade integration
information need » information needs, information needed, information speed
de development » e development, ce development, de developpement
skills de » skills do, skills _, skills a
a afrique » l afrique, en afrique
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 trade information need de oral communication skills de development a afrique.*.