Perhaps you should try some spelling variations:
8.4.2 communication » 3.4.2 communication, 8.2.2 communication, 3.3.2 communication
technology tools » technology thesis
tools regulation » foods regulation, ports regulation, hours regulation
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
regulation do » regulation du, regulation de, regulation des
prices 8.4.2 » prices 3.4.2, price 8.4.6, prices 2.2.2
l afrique » en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology tools regulation do prices 8.4.2 communication costs a developpement l afrique.*.