Ohcanbohtosat - "(environmental OR environment) (introduction" OR projections")
Ozuin - "(environmental OR environment) (introduction" OR projections") - eai gávdnon bohtosat.
Geahččal viiddidit ohcama: Buot deaivamat.
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Seđđon ohcamiin sáhttet gávdnot ohcanbohtosat, main leat seammasullasaš sánit: "(environmental OR environment) (introduction" OR projections")~.
- 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")*.