Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
technological content » technological potential, technological frontier, technological change
content formulacion » contract formulation, commitment formulation, concrete formulation
der developpement » de developpement, des developpements, leur developpement
e communication » de communication, 1 communication, une communication
developpement l » developpement il, developpement la, developpement de
formulacion de » formulation des, formacion de, formulation _
barriere der » barrieren der, barrieren des, barriera di
l afrique » en 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: technological content formulacion de does e communication barriere der developpement l afrique.*.