Ngā hua rapu - (( drugs: education, prevencion AND policy ) OR ( drugs: educativo, prevencion AND policy ))*
Kāore tō rapu - (( drugs: education, prevencion AND policy ) OR ( drugs: educativo, prevencion AND policy ))* - i ōrite ki tētahi rauemi.
Me whakamātau pea he takikupu rerekē:
- education, »
Ka taea pea ētahi hua anō mā te whakakē i tō uiui rapu.
- Mā te whakahaere i te rapu makaro e tīkina atu ai pea ngā kupu he ōrite te takikupu: (( drugs: education, prevencion AND policy ) OR ( drugs: educativo, prevencion AND policy ))~.
- Kā taea pea e ngā kupu AND, OR me NOT tō rapu te whakapōraru; tāpiritia he tohukī: "(( drugs: education, prevencion AND policy ) OR ( drugs: educativo, prevencion AND policy ))*".