Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
changes information » change information, channels information, chandos information
chad communications » canada communications, chile communications, china communications
du developpement » de developpement, le developpement, et developpement
developpement la » developpement de, developpement et, developpement du
information 1 » information 2, information 3, information 3.2
la afrique » l afrique, la fabrique, en afrique
des chad » des chaos, des jihad, des ca
1 des » 1 das, 1 der, a des

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

• Adding a wildcard symbol may retrieve word variants: technological changes information 1 des chad communications _ du developpement la afrique.*.