Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
du developpement » de developpement, le developpement, et developpement
technologies re » technologies ret, technologies art, technologies _
e communication » de communication, 1 communication, une communication
re formulacion » re formulation, la formulacion, rule formulation
formulacion de » formulation des, formacion de, formulation _
barriere du » barriere der, barriera di, barriers d
des afrique » en afrique, de l'afrique
de does » der does, do does, one does
does e » does de, does _, does a

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

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