Perhaps you should try some spelling variations:
does developpement » de developpement, des developpements, does development
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
communication 2 » communication _, communication a, communication 3
policy order » policy under, policy other, policy over
variation 3 » variation _, variation 6, variation 5
policy der » policy del, policy under, policy does
2 does » 4 does
3 der » _ der, 2 der
der 3 » der _, der e, des 3

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: "((policy der) OR (policy order)) variation 3 der 3 communication 2 does developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: ((policy der) OR (policy order)) variation 3 der 3 communication 2 does developpement en afrique.*.