Ngā hua rapu - (materials OR materialow) ((health services) OR (health (services OR series))).~
Kāore tō rapu - (materials OR materialow) ((health services) OR (health (services OR series))).~ - i ōrite ki tētahi rauemi.
Me whakamātau pea he takikupu rerekē:
- materials »
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: "(materials OR materialow) ((health services) OR (health (services OR series))).~".
- Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: (materials OR materialow) ((health services) OR (health (services OR series))).*.