Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
des developpement » des developpements, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
based formative » based information
formative des » formation des, formative years, formationen des
barriers des » barrieren des, barriere der, barriers d
la afrique » l afrique, la fabrique, en afrique
des does » des doses, der does, des dorfes

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

• Adding a wildcard symbol may retrieve word variants: technology based formative des does _ communication barriers des developpement la afrique.*.