Perhaps you should try some spelling variations:
scale communication » scales communication, space communication, style communication
les developpement » le developpement, des developpements, leur developpement
developpement du » developpement de, developpement des, developpement et
communication 5 » communication _, communication a, communication 3
du afrique » en afrique, l afrique, de l'afrique
5 les » 2 les, 1 les, 3 les
pt a » pt 1, pt 3, pt 4

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 _ informacion ((pt a) OR (pt 2)) scale communication 5 les developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies _ informacion ((pt a) OR (pt 2)) scale communication 5 les developpement du afrique.*.