Perhaps you should try some spelling variations:
pier » piero, per, pie, pmier, phier
kmier » mier, kier, imier, kmmier, kmhier
khmier » khmer, khmmier, khmhier
ier » mier, hier
vier » vmier, vhier, view, vie, ver
pmier » pmmier, pmhier, mier, prier, imier
prmier » prmmier, prmhier, premier, permier, ormier

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

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