Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
do communications » 10 communications, 14 communications, 2 communications
information when » information what, information war, information wants
book development » bank development, textbook development, 2 development
technologies co » technologies _, technologies 4, technologies 2
development may » development main, development make, development mali
co information » do information, 2 information, 1 information
costs book » cost book
donne do » donne del, donne et, donne la

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

• Adding a wildcard symbol may retrieve word variants: technologies co information when donne do communications costs book development may afrique.*.