Perhaps you should try some spelling variations:
oral communication » personal communication
dam developpement » de developpement, du developpement, au developpement
developpement en » developpement et, developpement des, developpement de
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die variation
variation his » variation des, variation im, variation i
first oral » first organ, first deal, first drupal
his first » hits first, aids first, rris first
a dam » a das, a day, _ dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: typologien does variation his first oral communication a dam developpement en afrique.~.