Ngā hua rapu - "((\"((water construction) OR (water conservation))\") OR (\"water consultation\"))*"
Kāore tō rapu - "((\"((water construction) OR (water conservation))\") OR (\"water 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 (water conservation))\\") OR (\\"water consultation\\"))*\"".
- Mā te tango tohukī e tukua ai pea he rapu whānui ake: (( ((water construction) OR (water conservation)) ) OR ( water consultation ))*.