Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
communication pt » communication 3, communication 1, communication 2
developpement et » developpement des, developpement de, development east
d developpement » de developpement, du developpement, le developpement
et afrique » en afrique, l afrique
2 semi » _ semi, a semi, 4 semi
2 sem » 2 set, _ sem, 2 em
pt d » pt 2, pt 1, pt 3

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 _ information ((2 sem) OR (2 semi)) 3.1 communication pt d developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies _ information ((2 sem) OR (2 semi)) 3.1 communication pt d developpement et afrique.*.