Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
des developpements » deux developpements, de developpement, et developpements
technologies rule » technologies reduce, technologies could, technologies ret
developpements en » developpement en, developpement et, developpements de
rule formulation » re formulation, la formulation, case formulation
formulation over » formation over, formulation model, formulation where
i communication » ii communication, ai communication, 3 communication
barriers des » barrieren des, barriere der, barriers d

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

• Adding a wildcard symbol may retrieve word variants: technologies rule formulation over _ i communication barriers des developpements en afrique.*.