Ohcanbohtosat - (((("soil construction") OR ("soil conservation"))) OR ("soil consultation"))~
Ozuin - (((("soil construction") OR ("soil conservation"))) OR ("soil consultation"))~ - eai gávdnon bohtosat.
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "((((\"soil construction\") OR (\"soil conservation\"))) OR (\"soil consultation\"))~".
- Sáhtát oažžut eanet bohtosiid go sihkut aisttonmearkkaid: (((( soil construction ) OR ( soil conservation ))) OR ( soil consultation ))~.
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (((("soil construction") OR ("soil conservation"))) OR ("soil consultation"))*.