Perhaps you should try some spelling variations:
oral communication » personal communication
das developpement » des developpements, de developpement, du developpement
developpement en » developpement et, developpement des, developpement 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 das » 1 das, 2 das, 3 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 das developpement en afrique.~.