Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
en developpement » et developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologies re » technologies ret, technologies art, technologies _
re formulacion » re formulation, la formulacion, rule formulation
formulacion de » formulation des, formacion de, formulation _
barriere en » barriere der, barrieren und, barrieren der
de does » der does, do does, one does

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 _ communication barriere en developpement en afrique.*.