Perhaps you should try some spelling variations:
communication model » communication media
lac communication » ec communication, atc communication, bic communication
dam development » dams development, team development, farm development
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
development l » development li, development 1, development law
preface 1 » preface _
model dam » model dal, model dgm, model dom
l afrique » en afrique
1 lac » 1 lack, 1 la, _ lac

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

• Adding a wildcard symbol may retrieve word variants: technologies a information preface 1 lac communication model dam development l afrique.*.