Perhaps you should try some spelling variations:
developpement et » developpement des, developpement de, development east
variation 2 » variation 27, variation _, variation 6
et afrique » en afrique, l afrique
der human » d.c human
2 der » _ der
a die » 2 die, 3 die, _ die
a du » a d, a de, a u

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

• If you are trying to use Boolean operators, they must be ALL CAPS: typology _ variation 2 der human communication ((a du) OR (a die)) developpement et afrique.~.
• Adding a wildcard symbol may retrieve word variants: typology _ variation 2 der human communication ((a du) or (a die)) developpement et afrique.*.