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

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

• Performing a fuzzy search may retrieve terms with similar spellings: typology der variation his first oral communication a des developpements en afrique.~.