Perhaps you should try some spelling variations:
der developpements » des developpements, deux developpements, de developpement
oral communication » personal communication
developpements l » developpements de, developpement il, developpement la
4.1 variation » 1.1 variation, 2.1 variation, 4.3 variation
typology 4.1 » typology 2.2.1, typology _, ecology 4.1
does oral » does formal, does oil
media der » media order, media under, mediale der
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: typology 4.1 variation _ does oral communication media der developpements l afrique.*.