Perhaps you should try some spelling variations:
las communications » laos communications, les communications, mass communications
developpement de » developpement des, developpement durable
informatio part » information part, information mart, information pack
de afrique » de l'afrique, en afrique, l afrique
part de » parti de, part des, parte de
a bet » a best, a bent, a beta
a et » a set, a net, a jet

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: "technologies _ informatio part de las communications ((a et) OR (a bet)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies _ informatio part de las communications ((a et) OR (a bet)) developpement de afrique.*.