Perhaps you should try some spelling variations:
developpement durable » developpement de
formal communication » informal communication, oral communication, moral communication
de developpement » sme development
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation von » variationen von, variation _, variation 6
does formal » loss formal, does formality, des formalen
von does » von doris, von downs, ban does
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation von does formal communication a de developpement durable afrique.*.