Perhaps you should try some spelling variations:
ds communications » do communications, vs communications, les communications
information port » information part, information portal, information import
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
port de » sport de, fort de, port du
de ds » der ds, de dx
a net » a new, _ net, a neo
a et » a set, a bet, a jet

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information port de ds communications ((a et) OR (a net)) developpement de afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies _ information port de ds communications ((a et) OR (a net)) developpement de afrique.*".