Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
era information » a information, via information, 4a information
developpement l » developpement il, developpement la, developpement de
technology era » technology eva, technology e, technology e.g
areas face » areas case, areas act, areas facing
3.2 areas » 3.4 areas, 3.3 areas, 3.8.2 areas
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology era information 3.2 areas face communication costs _ developpement l afrique.*.