Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
formulation under » formation under, formulation des, population under
der developpement » de developpement, des developpements, leur developpement
developpement la » developpement de, developpement et, developpement du
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
barriere der » barrieren der, barrieren des, barriera di
under does » lender does, der does, under deep
la fabrice » la fabrique, la matrice, la farce

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation under does _ communication barriere der developpement la fabrice.*.