Perhaps you should try some spelling variations:
12.1 communication » 1.1 communication, 4.2.1 communication, 7.2.1 communication
traditions change » traditions changing, transitions changes, traditions chapter
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technology 3 » technology _, technology 1, technology 4
3 traditions » _ traditions, 2 traditions, 3 tradition
program 12.1 » program 2.1, program 10.2.1, program 12.3.1
de afrique » de l'afrique, en afrique, l afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 3 traditions change program 12.1 communication costs 4 developpement de afrique.*.