Perhaps you should try some spelling variations:
developpement il » developpement de, developpement et, developpement du
variation test » variations west, variation des, variation notes
typologies 2 » typologies _, typologies 3, typologies 2.3
2 variation » 2 variations
il afrique » l afrique, en afrique
test den » test der, test des, nebst den
den data » dan data, dn data, open data
a le » a les, a l, a e

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: "typologies 2 variation test den data communications ((a le) OR (a la)) developpement il afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologies 2 variation test den data communications ((a le) OR (a la)) developpement il afrique.*.