Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
ct information » cost information, get information, iot information
information pt » information part, information 1, information 1.2
technology ct » technology cost, technology can, technology 1
process 4.1 » process 2.1, process 4.2, process 4.3
pt process » iot process, mit process, out process
costs des » costs fees

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

• Adding a wildcard symbol may retrieve word variants: technology ct information pt process 4.1 communication costs des developpement de l'afrique.*.