Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
technologies math » technologies may, technologies a, technologies art
math information » catch information, much information, health information
developpement et » developpement des, developpement de, development east
information 1.2 » information 1.5.2, information 2
et afrique » en afrique, l afrique
1.2 des » 1.2 das, 1.2 der, 2.2 des

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies math information 1.2 des _ communication media leur developpement et afrique.*.