Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
communication 2 » communication _, communication a, communication 3
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
do's variation » does variation, modes variation, der variation
de variation » der variation, die variation, does variation
l afrique » en afrique
der 4 » der _, der e, der a
2 des » 2 der, 2 das, a des
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) OR (de variation)) _ der 4 communication 2 des developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: apology ((do's variation) OR (de variation)) _ der 4 communication 2 des developpement l afrique.*.