Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
formulation where » formulation over, formulation des, calculation where
der developpement » de developpement, des developpements, leur developpement
technologies la » technologies a, technologies le, technologies lead
i communication » ii communication, ai communication, 3 communication
developpement l » developpement il, developpement la, developpement de
la formulation » la formulacion, _ formulation, la formation
barriers der » barriere der, barrieren der, barriers d
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies la formulation where _ i communication barriers der developpement l afrique.*.