Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
oral communication » personal communication
technologies et » technologies e, technologies art, technologies bit
et transition » en transition, eu transition, debt transition
transition a » transition _
des africa » does africa, yes africa, de africa
der oral » der moral, der ort, der orte
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologies et transition a der oral communication media leur developpement des africa.*.