Ngā hua rapu - head mines AND mining mathematics models.*
Kāore tō rapu - head mines AND mining mathematics models.* - i ōrite ki tētahi rauemi.
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: head mines AND mining mathematics models.~.
- Kā taea pea e ngā kupu AND, OR me NOT tō rapu te whakapōraru; tāpiritia he tohukī: "head mines AND mining mathematics models.*".