Perhaps you should try some spelling variations:
pier » piero, per, pie, pmier, pvier, phier
khier » hier, khmer, dhier, khmier, khvier, khhier
ier » mier, vier, hier
vhier » vhmier, vhvier, vhhier, vier, hier, dhier
pmier » pmmier, pmvier, pmhier, mier, prier, imier
prhier » prhmier, prhvier, 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 (((((pier or khier) or ier) or vhier) or (pmier or prhier)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sadhana (((((pier OR khier) OR ier) OR vhier) OR (pmier OR prhier))).
• Adding a wildcard symbol may retrieve word variants: sadhana (((((pier or khier) or ier) or vhier) or (pmier or prhier)))*.