Perhaps you should try some spelling variations:
piero » pmiero, ppiero, phiero
ier » mier, pier, hier
vier » vmier, vpier, vhier, view, vie, mier
vhier » vhmier, vhpier, vhhier, hier, dhier, thier
pmier » pmmier, pmpier, pmhier, mier, pier, imier
mhier » mhmier, mhpier, mhhier, mier, maier, meier
prier » prmier, prpier, prhier, priere, prieur, prior
ver » vera

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

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