Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
information war » information what, information wants, information when
a information » 2 information, 1 information
technology a » technology 1, technology 3, technology 4
war rice » war race, war re, war risk
rice 2.1 » rice 3.1, rice 4.1, rice 1
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology a information war rice 2.1 communication costs et developpement en afrique.*.