Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
technology law » technology 1, technology 2.2, technology 3
law tradition » la tradition, a tradition, legal tradition
programs 2.1 » programs 2.2, programs 3.1, programs 1
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 law tradition _ programs 2.1 communications costs 4 developpement en afrique.*.