Ohcanbohtosat - "(environmental OR environment) ((protection" OR (production" OR introduction")) OR projections")~
Ozuin - "(environmental OR environment) ((protection" OR (production" OR 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) ((protection\" OR (production\" OR introduction\")) OR projections\")~".
- Sáhtát oažžut eanet bohtosiid go sihkut aisttonmearkkaid: (environmental OR environment) ((protection OR (production OR introduction )) OR projections )~.
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: "(environmental OR environment) ((protection" OR (production" OR introduction")) OR projections")*.