Ngā hua rapu - (((( development economics ) OR ( development economists ))) OR ( development economic ))~
Kāore tō rapu - (((( development economics ) OR ( development economists ))) OR ( development economic ))~ - 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: "(((( development economics ) OR ( development economists ))) OR ( development economic ))~".
- Mā te tāpiri tohu kārimākā e tikia atu ai pea ngā rerekētanga ā-rohe: (((( development economics ) OR ( development economists ))) OR ( development economic ))*.