Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
des developpement » des developpements, de developpement, le developpement
formulation over » formation over, formulation model, formulation where
developpement de » developpement des, developpement durable
technologies 2 » technologies _, technologies 4
2 formulation » _ formulation, 3 formulation, la formulation
barriere des » barrieren des, karriere des, barriere der
over does » cover does, der does, over de
de farce » der farce, de arce, de force

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 formulation over does _ communication barriere des developpement de farce.*.