Perhaps you should try some spelling variations:
oral communication » personal communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
valuation basic » valuation basics, variation basic, evaluation based
typologien der » typologie der, typologie des, apologien der
der valuation » der evaluation, de valuation, deal valuation
ideas oral » ideas global
a et » a set, a net, a bet

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

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