Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
communications costs » communication costs, communications _
development de » development d, development ds, developpement de
information a » information age, information about
costs human » sts human, ghosts humans, beasts human
do rural » two rural, 2 rural, 4 rural
a do » a dot, _ do, a d

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information a do rural communications costs human development de l'afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information a do rural communications costs human development de l'afrique.*.