Ohcanbohtosat - (( materials health (series. OR services.) ) OR ( materials health services. ))~
Ozuin - (( materials health (series. OR services.) ) OR ( materials health services. ))~ - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- materials health »
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "(( materials health (series. OR services.) ) OR ( materials health services. ))~".
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (( materials health (series. OR services.) ) OR ( materials health services. ))*.