Perhaps you should try some spelling variations:
pier » piero, per, pie, pmier, pvier, phier
ppier » ppiero, pper, ppie, ppmier, ppvier, pphier, papier, prier, spier
ier » mier, vier, hier
maier » mamier, mavier, mahier, maior, mater, mayer
mhhier » mhhmier, mhhvier, mhhhier
thier » thmier, thvier, thhier, thiers, thiery, trier

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 ier) or ((((maier or mir) or maier) or mer) or mhhier)) or (ppier or thier)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sadhana ((((pier OR ier) OR ((((maier OR mir) OR maier) OR mer) OR mhhier)) OR (ppier OR thier))).
• Adding a wildcard symbol may retrieve word variants: sadhana ((((pier or ier) or ((((maier or mir) or maier) or mer) or mhhier)) or (ppier or thier)))*.