Ohcanbohtosat - "\"(environmental OR environment) prevention oceania (planning.\" OR playing.\")*"
Ozuin - "\"(environmental OR environment) prevention oceania (planning.\" OR playing.\")*" - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- prevention oceania »
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "\"\\"(environmental OR environment) prevention oceania (planning.\\" OR playing.\\")*\"".
- Sáhtát oažžut eanet bohtosiid go sihkut aisttonmearkkaid: (environmental OR environment) prevention oceania (planning. OR playing. )*.