Perhaps you should try some spelling variations:
telecommunication union » telecommunication policy, telecommunications regulation
1 telecommunication » _ telecommunication, 3 telecommunication, _ telecommunications
urban developpement » urban development, urban developments, un developpement
information costs » information contents, information centers, information content
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
union urban » non urban, function urban, nation urban
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies a information costs 4 1 telecommunication union urban developpement en afrique.*.