Perhaps you should try some spelling variations:
oil communication » oral communication, social communication, moral communication
developpement l » developpement il, developpement la, developpement de
die variation » de variation, does variation, der variation
variation des » variation _, variation 6, variation series
typology die » typology _, typology 4.1, typology 6
des doses » des choses, des dorfes, des deces
doses oil » does oil, des oil
l afrique » en afrique
1.1 eu » 1.1 el, 3.1 eu, 6.1 eu

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typology die variation des doses oil communication ((1.1 eu) OR (2.1 eu)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology die variation des doses oil communication ((1.1 eu) OR (2.1 eu)) developpement l afrique.*.