Perhaps you should try some spelling variations:
communication power » communications power, communication pour, communication paper
information need » information needs, information needed, information speed
la communication » data communication, data communications
power hydropower » river hydropower, note hydropower, non hydropower
development can » development case, development co, development canada
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
can africa » urban africa
need de » need le, need fide, need one

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information need de la communication power hydropower development can africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information need de la communication power hydropower development can africa.*.