Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
4 developpement » de developpement, le developpement, et developpement
technology 1 » technology _
section low » section l, section o, section w
des afrique » en afrique, de l'afrique
1 section » 10 section, 19 section, 3 section
low rate » flow rate, low water, low rank
rate 2.3 » rates 2.3, rate 2.4, rate 4.3
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 1 section low rate 2.3 communication costs 4 developpement des afrique.*.