Ngā hua rapu - (("chemical engineer") OR ("chemical engineers"))*

Kāore tō rapu - (("chemical engineer") OR ("chemical engineers"))* - i ōrite ki tētahi rauemi.

Ka taea pea ētahi hua anō mā te whakakē i tō uiui rapu.

Mā te whakahaere i te rapu makaro e tīkina atu ai pea ngā kupu he ōrite te takikupu: (("chemical engineer") OR ("chemical engineers"))~.
Kā taea pea e ngā kupu AND, OR me NOT tō rapu te whakapōraru; tāpiritia he tohukī: "((\"chemical engineer\") OR (\"chemical engineers\"))*".
Mā te tango tohukī e tukua ai pea he rapu whānui ake: (( chemical engineer ) OR ( chemical engineers ))*.