Perhaps you should try some spelling variations:
oral communication » personal communication
des developpements » deux developpements, de developpement, et developpements
developpements la » developpement la, developpements de, developpement de
typologie based » typology based, ontologies based
based valuation » based evaluation, land valuation, based solution
valuation wider » valuation under, valuation higher, evaluation der
la afrique » l afrique, la fabrique, en afrique
wider den » wider die
den oral » den ort, new oral

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

• Adding a wildcard symbol may retrieve word variants: typologie based valuation wider den oral communication _ des developpements la afrique.*.