Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
age information » care information, rate information, die information
technology age » technology usage, technology wages, technology a
information 1 » information 2, information 3, information 3.2
des afrique » en afrique, de l'afrique
aes based » ses based, areas based, cases based
1 aes » 1 abs, _ aes, 1 ars

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

• Adding a wildcard symbol may retrieve word variants: technology age information 1 aes based communications costs _ developpement des afrique.*.