Perhaps you should try some spelling variations:
et developpement » de developpement, le developpement, test development
communications a » communications _, communications law, communications media
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
de afrique » de l'afrique, en afrique, l afrique
6 news » _ news, 6 new, 1 news
2 news » _ news, 2 new
a et » a set, a net, a bet
typologie » typologies, typology

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: "typologie des variation ((6 news) OR (2 news)) data communications a et developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation ((6 news) OR (2 news)) data communications a et developpement de afrique.*.