Perhaps you should try some spelling variations:
pier » piero, per, pie, phier
ier » hier
vier » vhier, view, vie, ver
vhier » vhhier, hier, dhier, thier
pmier » pmhier, imier, pmir
mier » mhier, mir
mhier » mhhier, maier, meier, hier
prier » prhier, priere, prieur, prior

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 (vier or vhier)) or ((pmier or ((mier or mer) or mhier)) or prier)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sadhana ((((pier OR ier) OR (vier OR vhier)) OR ((pmier OR ((mier OR mer) OR mhier)) OR prier))).
• Adding a wildcard symbol may retrieve word variants: sadhana ((((pier or ier) or (vier or vhier)) or ((pmier or ((mier or mer) or mhier)) or prier)))*.