Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
communication case » communications case, communication based, communication phase
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
developpements de » developpement de, developpement des, developpement du
use information » user information, house information, users information
information war » information what, information wants, information when
technology use » technology 1, technology 2.2, technology 3
war rice » war race, war re, war risk
rice 3.1 » rice 2.1, rice 3.3, rice 4.1
case des » cases des, case das, phase des

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

• Adding a wildcard symbol may retrieve word variants: technology use information war rice 3.1 communication case des developpements de l'afrique.*.