Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
en developpement » et developpement, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
technologies re » technologies ret, technologies art, technologies _
formulation des » formation des, formulacion de, formulation _
re formulation » rule formulation, _ formulation, 3 formulation
barriere en » barriere der, barrieren und, barrieren der
la afrique » l afrique, la fabrique, en afrique
des does » des doses, der does, des dorfes

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

• Adding a wildcard symbol may retrieve word variants: technologies re formulation des does _ communication barriere en developpement la afrique.*.