Ohcanbohtosat - (("twenty-21st century forecasting.") OR ("twenty-20th century forecasting."))~
Ozuin - (("twenty-21st century forecasting.") OR ("twenty-20th century forecasting."))~ - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- "twenty-21st century forecasting." »
- "twenty-20th century forecasting." »
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "((\"twenty-21st century forecasting.\") OR (\"twenty-20th century forecasting.\"))~".
- Sáhtát oažžut eanet bohtosiid go sihkut aisttonmearkkaid: (( twenty-21st century forecasting. ) OR ( twenty-20th century forecasting. ))~.
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (("twenty-21st century forecasting.") OR ("twenty-20th century forecasting."))*.