Ohcanbohtosat - (("factors united states geography") OR ("factors united states biography"))~
Ozuin - (("factors united states geography") OR ("factors united states biography"))~ - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- "factors united states geography" »
- "factors united states biography" »
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "((\"factors united states geography\") OR (\"factors united states biography\"))~".
- Sáhtát oažžut eanet bohtosiid go sihkut aisttonmearkkaid: (( factors united states geography ) OR ( factors united states biography ))~.
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (("factors united states geography") OR ("factors united states biography"))*.