Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
clean development » human development, urban development
information need » information needs, information needed, information speed
development can » development case, development co, development canada
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
skills clean » skills can, spills cleanup, skills create
can afrique » en afrique
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 _ communication skills clean development can afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information need de _ communication skills clean development can afrique.*.