Perhaps you should try some spelling variations:
pier » piero, per, pie, pvier, phier
mpier » mpiero, mper, mpie, mpvier, mphier, maier, meier, spier
ier » vier, hier
mier » mvier, mhier, mir
mhier » mhvier, mhhier, maier, meier, hier
mvier » mvvier, mvhier, maier, vier, meier
phhier » phhvier, phhhier, pohier

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