Perhaps you should try some spelling variations:
cause communication » causes communication, change communication, couple communication
technologies 6 » technologies _, technologies 4, technologies 2
development la » development law, development li, development land
inform policy » reform policy
policy 3.1 » policy 1
la afrique » l afrique, la fabrique, en afrique
3.1 cause » 3.1 causes, 3.1 case, 6.1 cause
6 inform » _ inform, b inform, c inform
a dams » _ dams, a dam, 6 dams
a das » 1 das, 2 das, 3 das

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 6 inform policy 3.1 cause communication ((a dams) OR (a das)) development la afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 6 inform policy 3.1 cause communication ((a dams) OR (a das)) development la afrique.*.