Ohcanbohtosat - "\"(environmental OR environment) (introduction\" OR projections\")"
Ozuin - "\"(environmental OR environment) (introduction\" OR projections\")" - eai gávdnon bohtosat.
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "\"\\"(environmental OR environment) (introduction\\" OR projections\\")\"".
 - Sáhtát oažžut eanet bohtosiid go sihkut aisttonmearkkaid: (environmental OR environment) (introduction OR projections ).