Perhaps you should try some spelling variations:
pier » piero, per, piel, pvier, phier
mier » mer, mir, mvier, mhier
pmier » pmer, pmir, prier, imier, pmvier, pmhier
pero » pedro, per
ier » vier, hier
vhier » vhvier, vhhier, vier, hier, dhier
thier » 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 pie) or mier) or pmier) or pero) or ier) or vhier) or thier))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sadhana ((((((((pier OR pie) OR mier) OR pmier) OR pero) OR ier) OR vhier) OR thier)).
• Adding a wildcard symbol may retrieve word variants: sadhana ((((((((pier or pie) or mier) or pmier) or pero) or ier) or vhier) or thier))*.