Ngā hua rapu - (( ((bibliography 20th) OR (biography 20th)) century ) OR ( geography 20th century ))~
Kāore tō rapu - (( ((bibliography 20th) OR (biography 20th)) century ) OR ( geography 20th century ))~ - 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: "(( ((bibliography 20th) OR (biography 20th)) century ) OR ( geography 20th century ))~".
- Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: (( ((bibliography 20th) OR (biography 20th)) century ) OR ( geography 20th century ))*.