Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
rate information » trade information, care information, age information
developpement de » developpement des, developpement durable
technology rate » technology state, technology role, technology related
information war » information what, information wants, information when
de afrique » de l'afrique, en afrique, l afrique
war babel » war baby
babel 3.2 » babel 4.1, basel 3.1, basel 3.4

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

• Adding a wildcard symbol may retrieve word variants: technology rate information war babel 3.2 communication costs _ developpement de afrique.*.