Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
oral communication » personal communication
technologies aids » technologies varies, technologies a, technologies de
model development » local development, social development, global development
aids information » chandos information, series information
skills model » skill model, skills oder, skills mostly
a afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies aids information flows _ oral communication skills model development a afrique.*.