Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies could » technologies co, technologies cohort, technologies based
man communications » oman communications, human communications, iran communications
could interaction » cloud interaction, coupled interactions, couple interactions
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
data man » data mean, data main, data map
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: technologies could interaction _ data man communications costs 4 developpement en afrique.*.