Perhaps you should try some spelling variations:
facher communication » teacher communication, face communication, teachers communication
developpement l » developpement il, developpement la, developpement de
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
der facher » der flachen, der flache, der bucher
l afrique » en afrique
3 au » 3 auf, 3 zu, 3 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 de variation _ der facher communication ((3 au) OR (3 a)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology de variation _ der facher communication ((3 au) OR (3 a)) developpement l afrique.*.