Ohcanbohtosat - (("twenty-16th century forecasting.") OR ("Twenty-21st century Forecasting."))~
Ozuin - (("twenty-16th century forecasting.") OR ("Twenty-21st century Forecasting."))~ - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- "twenty-16th century forecasting." »
- "Twenty-21st century Forecasting." »
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "((\"twenty-16th century forecasting.\") OR (\"Twenty-21st century Forecasting.\"))~".
- Sáhtát oažžut eanet bohtosiid go sihkut aisttonmearkkaid: (( twenty-16th century forecasting. ) OR ( Twenty-21st century Forecasting. ))~.
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (("twenty-16th century forecasting.") OR ("Twenty-21st century Forecasting."))*.