Perhaps you should try some spelling variations:
13.4.5 communication » 10.4.3 communication, 11.4.1 communication, 12.4.4 communication
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
contents crt » contents 3rd, contents arc, contents co
crt 13.4.5 » crt 13.3.4

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information contents crt 13.4.5 communication _ du developpement en afrique.*.