Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
cost information » postal information, about information, asset information
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
technology cost » technology case, technology can, technology choice
information war » information what, information wants, information when
war case » dar case, war cash, war causes
case 3.1 » case 4.1, case 3.2, case 1
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology cost information war case 3.1 communication costs au developpement de l'afrique.*.