Perhaps you should try some spelling variations:
kier » pier, hier, kpier, khier
khmier » khmer, khmpier, khmhier, khmir
ier » pier, hier
vier » vpier, vhier, view, vie, ver
mier » mpier, mhier, mer, mir
pmvier » pmvpier, pmvhier, pmview, pmvie, pmver, pavier
prhier » prhpier, prhhier, pohier, porthier

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: sadhana ((((((kier or khmier) or khmier) or ier) or vier) or ((mier or pmvier) or prhier)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sadhana ((((((kier OR khmier) OR khmier) OR ier) OR vier) OR ((mier OR pmvier) OR prhier))).
• Adding a wildcard symbol may retrieve word variants: sadhana ((((((kier or khmier) or khmier) or ier) or vier) or ((mier or pmvier) or prhier)))*.