Perhaps you should try some spelling variations:
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
information pt » information part, information 1, information 1.2
1 laos » _ laos, 1 las
1 laws » 11 laws, 3 laws, c laws

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 2 information pt ((1 laos) OR (1 laws)) communications _ du developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 2 information pt ((1 laos) OR (1 laws)) communications _ du developpement en afrique.*.