Perhaps you should try some spelling variations:
level communication » level communications, cell communication, event communication
based information » basic information, based innovation, land information
des developpement » des developpements, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
du afrique » en afrique, l afrique, de l'afrique
has level » gas levels, has ever, has never
3.2 has » 3.2 hts, 3.2 phase, 6.3.2 has
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 based information 3.2 has level communication a des developpement du afrique.*.