Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
shocks information » phones information, process information, aspects information
add communications » aided communications, do communications, radio communications
technology shocks » technology shock, technology series, technology social
4.2 developpement » 4.2 development, de developpement, le developpement
information 1.3 » information 14.3, information 1.2, information 10.4
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
1.3 does » 12.3 does, 18.3 does, 13 does
does add » does aid, does awd, does auld

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

• Adding a wildcard symbol may retrieve word variants: technology shocks information 1.3 does add communications costs 4.2 developpement l afrique.*.