Ohcanbohtosat - (((( development economics ) OR ( development economists ))) OR ( development economic ))~
Ozuin - (((( development economics ) OR ( development economists ))) OR ( development economic ))~ - eai gávdnon bohtosat.
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "(((( development economics ) OR ( development economists ))) OR ( development economic ))~".
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (((( development economics ) OR ( development economists ))) OR ( development economic ))*.