Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
math information » catch information, much information, health information
technology math » technology paths, technology mit, technology make
information can » information case, information 1, information 1.2
des afrique » en afrique, de l'afrique
can case » can cause, can cash, can care
case 2.3 » case 3, case 4.1, case 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology math information can case 2.3 communication costs _ developpement des afrique.*.