Perhaps you should try some spelling variations:
trade developpement » trade developement, trade development, de developpement
information 1.5.2 » information 1.2, information 2
developpement de » developpement des, developpement durable
technologies ct » technologies co, technologies art, technologies bit
communication 4 » communication _, communication a, communication 3
ct information » cost information, get information, iot information
1.5.2 a » 11.5.2 a, 12.5.2 a, 13.5.2 a
4 trade » 1 trade
mass » maps

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

• Adding a wildcard symbol may retrieve word variants: technologies ct information 1.5.2 a mass communication 4 trade developpement de l'afrique.*.