Ngā hua rapu - "((\"drugs: educacion, prevencion AND policy\") OR (\"drugs: reduccion, prevention AND policy\"))"
Kāore tō rapu - "((\"drugs: educacion, prevencion AND policy\") OR (\"drugs: reduccion, prevention AND policy\"))" - i ōrite ki tētahi rauemi.
Ka taea pea ētahi hua anō mā te whakakē i tō uiui rapu.
- Kā taea pea e ngā kupu AND, OR me NOT tō rapu te whakapōraru; tāpiritia he tohukī: "\"((\\"drugs: educacion, prevencion AND policy\\") OR (\\"drugs: reduccion, prevention AND policy\\"))\"".
- Mā te tango tohukī e tukua ai pea he rapu whānui ake: (( drugs: educacion, prevencion AND policy ) OR ( drugs: reduccion, prevention AND policy )).