Perhaps you should try some spelling variations:
china communication » china communications, chief communication, china's communications
technologies phase » technologies case, technologies past, technologies places
phase information » phase formation, share information, change information
des developpement » des developpements, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
information 1 » information 2, information 3, information 3.2
du afrique » en afrique, l afrique, de l'afrique
ke china » use china, 2 china, 4 china
1 ke » 1 key, 1 kde, φ1 ke

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

• Adding a wildcard symbol may retrieve word variants: technologies phase information 1 ke china communication _ des developpement du afrique.*.