Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
deux developpement » deux developpements, de developpement, du developpement
technologies ret » technologies _, technologies 4, technologies 2
developpement la » developpement de, developpement et, developpement du
ret formulation » et formulation, re formulation, from formulation
a communication » la communication, data communication, data communications
formulation do » formulation de, formulation du, formulation des
barriere deux » barriere der, barrieren der, barrieren des
la afrique » l afrique, la fabrique, en afrique
do does » do dogs, der does, who does
does a » does _

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

• Adding a wildcard symbol may retrieve word variants: technologies ret formulation do does a communication barriere deux developpement la afrique.*.