Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
developpement de » developpement des, developpement durable
information war » information what, information wants, information when
ii information » i information, 2 information, 1 information
technology ii » technology ict, technology 1, technology 3
war prices » car prices, water prices, farm prices
prices 1.1 » prices 2.1, prices 3.1, prices 2.4
costs leur » costs clear
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology ii information war prices 1.1 communication costs leur developpement de afrique.*.