Perhaps you should try some spelling variations:
chile communications » china communications, machine communications, mobile communications
et developpements » et developpement, des developpements, en developpement
developpements l » developpements de, developpement il, developpement la
technologies 2 » technologies _, technologies 4
2 formation » 1 formation, 1.2 formation, 2 formulation
l afrique » en afrique
etc 2 » etc _
et 2 » et 20, pt 2, et a

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 2 formation ((et 2) OR (etc 2)) chile communications _ et developpements l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 2 formation ((et 2) OR (etc 2)) chile communications _ et developpements l afrique.*.