Ngā hua rapu - "((\"((water construction) OR (water conservation))\") OR (\"expert consultation\"))*"
Kāore tō rapu - "((\"((water construction) OR (water conservation))\") OR (\"expert consultation\"))*" - i ōrite ki tētahi rauemi.
Me whakamātau pea he takikupu rerekē:
- water »
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 (\\"expert consultation\\"))*\"".
- Mā te tango tohukī e tukua ai pea he rapu whānui ake: (( ((water construction) OR (water conservation)) ) OR ( expert consultation ))*.