Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
induction states » introduction states, induction games, introduction status
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technology use » technology 1, technology 2.2, technology 3
use induction » rule induction, use reduction, use introduction
case 4.2 » case 4.1, case 2
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology use induction states case 4.2 communication costs de developpement en afrique.*.