Perhaps you should try some spelling variations:
communication av » communication a, communication ai, communication avec
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
technologies 4 » technologies _
formation des » formation _
4 formation » 1 formation, a formation, 4 formulation
how 1 » how _, how a, how e
how i » how _, how a
av et » av ett, av en, a et

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 4 formation des ((how 1) OR (how i)) communication av et developpement de l'afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 formation des ((how 1) OR (how i)) communication av et developpement de l'afrique.*.