Ngā hua rapu - "\"(environmental OR environment) (production\" OR introduction\")*"
Kāore tō rapu - "\"(environmental OR environment) (production\" OR introduction\")*" - 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: "\"\\"(environmental OR environment) (production\\" OR introduction\\")*\"".
- Mā te tango tohukī e tukua ai pea he rapu whānui ake: (environmental OR environment) (production OR introduction )*.