Perhaps you should try some spelling variations:
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
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 rates » water rates, war notes, war race
rates 2.5 » rates 4.5, rates 5.5, rates 2.1

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 rates 2.5 communication costs _ developpement en afrique.*.