Perhaps you should try some spelling variations:
channels information » chandos information, change information, chain information
technology channels » technology changes, technology change, technology chalmers
de communication » mobile communication, online communication
developpement la » developpement de, developpement et, developpement du
information hat » information what, information have, information how
4 developpement » de developpement, le developpement, et developpement
la afrique » l afrique, la fabrique, en afrique
hat trade » wheat trade, east trade, net 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 channels information hat trade de communication costs 4 developpement la afrique.*.