Perhaps you should try some spelling variations:
informationen aus » informationen als, informationen zu, informationen zur
av informationen » _ informationen, av information, b informationen
communications a » communications _, communications law, communications media
et developpement » de developpement, le developpement, test development
technologies av » technologies a, technologies am, technologies art
des afrique » en afrique, de l'afrique
co 2 » cov 2, ch 2
a et » a set, a net, a bet

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 av informationen aus ((co 2) OR (c 2)) communications a et developpement des afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies av informationen aus ((co 2) OR (c 2)) communications a et developpement des afrique.*.