Perhaps you should try some spelling variations:
information flow » information flows
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
a information » 2 information, 1 information
technology a » technology 1, technology 3, technology 4
flow trade » low trade, how trade, law trade
trade de » trade die, rade de, trade date
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 a information flow trade de communication costs 4 developpement en afrique.*.