Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
cost information » postal information, about information, asset information
technology cost » technology case, technology can, technology choice
information war » information what, information wants, information when
a developpement » au developpement, de developpement, le developpement
des afrique » en afrique, de l'afrique
war rules » water rules
rules 2.2 » rules 3.2, rules 4.2, rules 4.3
costs a » costs _, costs 4

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 rules 2.2 communication costs a developpement des afrique.*.