Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
stacks information » states information, haystacks information, pack information
technology stacks » technology shocks, technology shock, technology state
10 communications » 10 communication, 14 communications, 2 communications
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
information 13 » information 1.3, information 3, information 1
13 does » 10 does
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology stacks information 13 does 10 communications costs 4 developpement en afrique.*.