Perhaps you should try some spelling variations:
communication barrieren » communication barriers, communication between, communication bahrain
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
formulation der » formulation des, formulation de, formulation over
technologies 3 » technologies _, technologies 4, technologies 2
3 formulation » _ formulation, _ formulating
barrieren des » barrieren der, barriere der, karrieren der
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 formulation der does _ communication barrieren des developpement de afrique.*.