Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
developpement de » developpement des, developpement durable
technologies e » technologies et, technologies _, technologies 4
e information » e informacion, age information, die information
information 2 » information 3
de afrique » de l'afrique, en afrique, l afrique
d u.s » do u.s, _ u.s, a u.s
a die » 2 die, 3 die, _ die
a de » a der, a des, _ de
2 d » 2 de, 2 3d, 2 do

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 e information 2 d u.s communications ((a de) OR (a die)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies e information 2 d u.s communications ((a de) OR (a die)) developpement de afrique.*.