Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
information low » information flow, information law, information flows
a information » 2 information, 1 information
technology a » technology 1, technology 3, technology 4
low trade » new trade
trade 2.3 » trade 2.2, trade 2.1, trade 1.3
costs le » 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 a information low trade 2.3 communication costs le developpement en afrique.*.