Ohcanbohtosat - \ ((\\ ((drama 20th) OR (drama 17th)) century.\\ ) OR (\\ drama first century.\\ ))*\
Ozuin - \ ((\\ ((drama 20th) OR (drama 17th)) century.\\ ) OR (\\ drama first century.\\ ))*\ - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- first century »
 - drama 20th »
 - drama 17th »
 
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Seđđon ohcamiin sáhttet gávdnot ohcanbohtosat, main leat seammasullasaš sánit: \ ((\\ ((drama 20th) OR (drama 17th)) century.\\ ) OR (\\ drama first century.\\ ))*\~.
 - Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "\ ((\\ ((drama 20th) OR (drama 17th)) century.\\ ) OR (\\ drama first century.\\ ))*\".
 - Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: \ ((\\ ((drama 20th) OR (drama 17th)) century.\\ ) OR (\\ drama first century.\\ ))*\*.