Perhaps you should try some spelling variations:
oral communication » personal communication
does developpement » de developpement, des developpements, does development
ontologies based » ontology based, colonies based, ontologies a
based valuation » based evaluation, land valuation, based solution
developpement l » developpement il, developpement la, developpement de
valuation oder » valuation model, valuation under, evaluation der
l afrique » en afrique
oder new » order new, der new, over new
new oral » new moral, knew moral, new rural
a does » 2 does, 4 does, 1 does

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

• Adding a wildcard symbol may retrieve word variants: ontologies based valuation oder new oral communication a does developpement l afrique.*.