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 )~.
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: "(environmental OR environment) (introduction" OR projections")*.