Perhaps you should try some spelling variations:
oral communication » personal communication
der developpement » de developpement, des developpements, leur developpement
developpement la » developpement de, developpement et, developpement du
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 _ der developpement la afrique.*.