Ohcanbohtosat - (("european union 20th century.") OR ("european union 16th century."))~
Ozuin - (("european union 20th century.") OR ("european union 16th century."))~ - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- "european union 20th century." »
 - "european union 16th century." »
 
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "((\"european union 20th century.\") OR (\"european union 16th century.\"))~".
 - Sáhtát oažžut eanet bohtosiid go sihkut aisttonmearkkaid: (( european union 20th century. ) OR ( european union 16th century. ))~.
 - Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (("european union 20th century.") OR ("european union 16th century."))*.