Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies couple » technologies could, technologies chapter, technologies cookies
couple interactions » coupled interactions, complex interactions, computer interactions
man communications » oman communications, human communications, iran communications
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
data man » data mean, data main, data map
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies couple interactions _ data man communications costs a developpement en afrique.*.