Ohcanbohtosat - ((( biography OR bibliography) 20th century ) OR ( geography 20th century ))~
Ozuin - ((( biography OR bibliography) 20th century ) OR ( geography 20th century ))~ - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- geography 20th »
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Juos geavahat Boole operáhtoriid, dat fertejit čállojuvvot ollásit STUORA BUSTÁVAIGUIN: ((( biography OR bibliography) 20th century ) OR ( geography 20th century ))~.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "((( biography OR bibliography) 20th century ) OR ( geography 20th century ))~".
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: ((( biography OR bibliography) 20th century ) OR ( geography 20th century ))*.