Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
information wages » information age, information wants, information war
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
developpement l » developpement il, developpement la, developpement de
technology 2 » technology _, technology 1, technology 3
wages prices » wage price, gas prices, wages race
prices 1.1 » prices 2.1, prices 3.1, prices 2.4
costs leur » costs clear
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 2 information wages prices 1.1 communication costs leur developpement l afrique.*.