Ngā hua rapu - (( universities heinrich heine de dusseldorf ) OR ( university heinrich heine de dusseldorf ))~
Kāore tō rapu - (( universities heinrich heine de dusseldorf ) OR ( university heinrich heine de dusseldorf ))~ - 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: "(( universities heinrich heine de dusseldorf ) OR ( university heinrich heine de dusseldorf ))~".
- Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: (( universities heinrich heine de dusseldorf ) OR ( university heinrich heine de dusseldorf ))*.