Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
technology early » technology energy, technology era, technology enabled
infection alerts » infectious agents, infection rates, infective agents
developpement la » developpement de, developpement et, developpement du
early infection » early detection, early reflections, early information
alerts paper » papers paper
paper mobile » paper mill, afar mobile, other mobile
la afrique » l afrique, la fabrique, en afrique
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technology early infection alerts paper mobile communication a des developpement la afrique.*.