Perhaps you should try some spelling variations:
post communication » postal communication, iot communication, put communication
developpement en » developpement et, developpement des, developpement de
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
information 4.3 » information 4.2, information 4.3.3, information 1.2
technology 2.2 » technology _, technology 1, technology 3
threats post » threats about, threat loss, threat pt
4.3 threats » 14.3 threats, 4.4 threats, 3.3 threats

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 information 4.3 threats post communication costs _ developpement en afrique.*.