Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
des developpement » des developpements, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
technologies pt » technologies _, technologies 4, technologies 2
pt formation » path formation, pdl formation, la formation
du afrique » en afrique, l afrique, de l'afrique
pt e » pt 1, pt 3, pt 4

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies pt formation ((pt e) OR (pt 2)) china communications _ des developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies pt formation ((pt e) OR (pt 2)) china communications _ des developpement du afrique.*.