Perhaps you should try some spelling variations:
beta developpement » et developpement, de developpement, le developpement
oral communication » personal communication
developpement en » developpement et, developpement des, developpement de
variation basic » valuation basic, variation bei, polarization basic
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
ideas oral » ideas global
a beta » _ beta, 1 beta, 2 beta

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation basic ideas oral communication a beta developpement en afrique.*.