Perhaps you should try some spelling variations:
developpement durable » developpement de
formal communication » informal communication, oral communication, moral communication
les developpement » le developpement, des developpements, leur developpement
variation und » variation _, variablen und, variation 6
ideologie de » ideologie der, ideologie des, ideologie du
de variation » der variation, die variation, does variation
loss formal » less formal, does formal, loss form
und loss » und los, und loschs, land loss
a les » a lens, a less, 2 les

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

• Adding a wildcard symbol may retrieve word variants: ideologie de variation und loss formal communication a les developpement durable afrique.*.