Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
technologies ret » technologies _, technologies 4, technologies 2
et communication » et communicatione, get communication, debt communication
du developpement » de developpement, le developpement, et developpement
ret formulacion » et formulation, re formulation, la formulacion
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 et » does e, does ea, does eu

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

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