Ohcanbohtosat - (((( development economics ) OR ( development economic ))) OR ( development economists ))~
Ozuin - (((( development economics ) OR ( development economic ))) OR ( development economists ))~ - 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 economic ))) OR ( development economists ))~".
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (((( development economics ) OR ( development economic ))) OR ( development economists ))*.