Ngā hua rapu - "(water OR walter) (construction" OR conservation")~

Kāore tō rapu - "(water OR walter) (construction" OR conservation")~ - 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: "\"(water OR walter) (construction\" OR conservation\")~".
Mā te tango tohukī e tukua ai pea he rapu whānui ake: (water OR walter) (construction OR conservation )~.
Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: "(water OR walter) (construction" OR conservation")*.