Perhaps you should try some spelling variations:
11.6 communication » 1.1 communication, 1.3 communication, 1.4 communication
technology state » technology strategy, technology system, technology study
state regulation » trade regulation, water regulation, climate regulation
developpement du » developpement de, developpement des, developpement et
a developpement » au developpement, de developpement, le developpement
regulation gas » regulation case, regulation a, regulation can
prices 11.6 » prices 4.6, prices 6.6, practices 11.6
du afrique » en afrique, l afrique, de l'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 state regulation gas prices 11.6 communication costs a developpement du afrique.*.