Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
do's variation » does variation, modes variation, de variation
variation des » variation _, variation 6, variation series
des der » des dr, des ddr, des dem
der 3 » der _, der e, des 3
2 der » _ der
2 de » 2 die, _ de
apology » typology, topology

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: "apology do's variation des der 3 communication ((2 de) OR (2 der)) developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: apology do's variation des der 3 communication ((2 de) OR (2 der)) developpement en afrique.*.