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 7.1 » policy 3.1, policy 2.1, policy 6.1
la afrique » l afrique, la fabrique, en afrique
7.1 cause » 6.1 cause, 7.1 case, 2.1 causes
6 inform » _ inform, b inform, c inform
4 damp » _ damp
4 dam » 4 das, _ dam, a dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 6 inform policy 7.1 cause communication ((4 dam) OR (4 damp)) development la afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 6 inform policy 7.1 cause communication ((4 dam) OR (4 damp)) development la afrique.*".