Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
der developpement » de developpement, des developpements, leur developpement
technologies la » technologies a, technologies le, technologies lead
formulation one » formulation over, formulation de, formulation model
a communication » la communication, data communication, data communications
developpement l » developpement il, developpement la, developpement de
la formulation » la formulacion, _ formulation, la formation
barriere der » barrieren der, barrieren des, barriera di
l afrique » en afrique
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 la formulation one does a communication barriere der developpement l afrique.*.