Perhaps you should try some spelling variations:
u.s telecommunications » 1.2 telecommunications, 4.3 telecommunications, _ telecommunications
das developpement » des developpements, de developpement, du developpement
technologies 4 » technologies _
information pt » information part, information 1, information 1.2
4 information » 2 information, 1 information
des afrique » en afrique, de l'afrique
des u.s » des us, der u.s
pt des » et des

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information pt des u.s telecommunications _ das developpement des afrique.*.