Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
information from » information flow, information flows
de communication » mobile communication, online communication
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
from prices » from price, from process, farm prices
barriers a » barriers _, barrier _
prices de » prices does, prices _, prices a
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information from prices de communication barriers a developpement l afrique.*.