Perhaps you should try some spelling variations:
av informationen » _ informationen, av information, b informationen
developpement de » developpement des, developpement durable
technologies av » technologies a, technologies am, technologies art
informationen 2 » informationen zu, information 2, informationen und
o developpement » ou developpement, de developpement, le developpement
de afrique » de l'afrique, en afrique, l afrique
do 4 » do i, do a, d 4
a o » a co

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 2 ((do 4) OR (do _)) communication a o developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies av informationen 2 ((do 4) OR (do _)) communication a o developpement de afrique.*.