Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
radio communications » radio communication, data communications
shock information » pack information, book information, lack information
technology shock » technology shocks, technology social, technology study
information 1.3 » information 14.3, information 1.2, information 10.4
developpement l » developpement il, developpement la, developpement de
does radio » das radio
l afrique » en afrique
1.3 does » 12.3 does, 18.3 does, 13 does

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

• Adding a wildcard symbol may retrieve word variants: technology shock information 1.3 does radio communications costs _ developpement l afrique.*.