Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
technologies case » technologies based, technologies can, technologies create
formulation where » formulation over, formulation des, calculation where
der developpement » de developpement, des developpements, leur developpement
case formulation » basic formulation, chain formulation, space formulation
de communication » mobile communication, online communication
developpement l » developpement il, developpement la, developpement de
barriere der » barrieren der, barrieren des, barriera di
where does » where do
l afrique » en afrique
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 case formulation where does de communication barriere der developpement l afrique.*.