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