Perhaps you should try some spelling variations:
data communication » data communications
information rates » information states, information ratio, information rules
developpement en » developpement et, developpement des, developpement de
4ir information » fair information, der information, fur information
technology 4ir » technology 4, technology 4.1, technology 4.2
rates cases » states cases, rates rates, rates cape

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir information rates cases data communication costs _ developpement en afrique.*.