Perhaps you should try some spelling variations:
3.2.3.2 communication » 3.2.3 communication, 3.3.2 communication, 6.2.4.2 communication
technology usage » technology use, technology age, technology users
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
usage inflation » wage inflation, age inflation, usage information
inflation rates » inflation rate
file 3.2.3.2 » filter 3.2.3.2, lte 3.2.3.2
rates file » rates figure
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology usage inflation rates file 3.2.3.2 communication _ du developpement de afrique.*.