Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
action series » education series
der action » der aktion, der auktion, our action
series dem » series de, series nejm, series d
dem oral » dem gral, dem ort
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: typologie der action series dem oral communication a de developpement en afrique.*.