Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
technologies 1 » technologies _, technologies 4, technologies 2
information b » information 2, information 1, information bank
de afrique » de l'afrique, en afrique, l afrique
ice mass » ice masses, ice caps
b ice » _ ice, 3 ice, r ice
a du » a d, a u, _ du
a de » a die, a der, a des

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 1 information b ice mass communication ((a du) OR (a de)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 1 information b ice mass communication ((a du) OR (a de)) developpement de afrique.*.