Ngā hua rapu - "((\"drugs: reduccion, prevention AND policy\") OR (\"drugs: educacion, prevencion AND policy\"))"
Kāore tō rapu - "((\"drugs: reduccion, prevention AND policy\") OR (\"drugs: educacion, prevencion 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: reduccion, prevention AND policy\\") OR (\\"drugs: educacion, prevencion AND policy\\"))\"".
- Mā te tango tohukī e tukua ai pea he rapu whānui ake: (( drugs: reduccion, prevention AND policy ) OR ( drugs: educacion, prevencion AND policy )).