Perhaps you should try some spelling variations:
cause communication » causes communication, change communication, couple communication
technologies 6 » technologies _, technologies 4, technologies 2
development li » development lid, development lie, development lin
inform policy » reform policy
policy 3.1 » policy 1
li afrique » l afrique, en afrique
3.1 cause » 3.1 causes, 3.1 case, 6.1 cause
6 inform » _ inform, b inform, c inform
4 dams » 4 das, _ dams, 4 damp
4 dam » 4 damp, 4 das, _ dam

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 ((4 dams) OR (4 dam)) development li afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 6 inform policy 3.1 cause communication ((4 dams) OR (4 dam)) development li afrique.*.