Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
der developpement » de developpement, des developpements, leur developpement
de communication » mobile communication, online communication
technologies e » technologies et, technologies _, technologies 4
formulation de » formulation des, formulacion de, formulation du
e formulation » et formulation, re formulation, _ formulation
barriere der » barrieren der, barrieren des, barriera di
des afrique » en afrique, de l'afrique
de does » der does, do does, one does
does de » does debt

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

• Adding a wildcard symbol may retrieve word variants: technologies e formulation de does de communication barriere der developpement des afrique.*.