Perhaps you should try some spelling variations:
le developpement » de developpement, sme development
communications a » communications _, communications law, communications media
developpement et » developpement des, developpement de, development east
typologies 2 » typologies _, typologies 3, typologies 2.3
variation es » variation des, variation test, variations des
2 variation » 2 variations
et afrique » en afrique, l afrique
den data » dan data, open data, den daten
dn data » dan data, n data, own data
a le » a les, a la, a l

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: typologies 2 variation es ((den data) OR (dn data)) communications a le developpement et afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologies 2 variation es ((den data) or (dn data)) communications a le developpement et afrique.*.