Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
national housing » national saving, national human, national testing
technology than » technology tax, technology trap, technology change
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
than national » ghana national, can national, within national
prices 4.2 » prices 3.2, prices 4.6, prices 4.9
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 than national housing prices 4.2 communication costs a developpement l afrique.*.