Ngā hua rapu - (( walter construction ) OR ( ((walter conservation) OR (expert consultation)) ))~
Kāore tō rapu - (( walter construction ) OR ( ((walter conservation) OR (expert consultation)) ))~ - 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: "(( walter construction ) OR ( ((walter conservation) OR (expert consultation)) ))~".
- Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: (( walter construction ) OR ( ((walter conservation) OR (expert consultation)) ))*.