Perhaps you should try some spelling variations:
pier » piero, per, pie
spier » spiero, sper, spie, spider, spicer, spies
mpier » mpiero, mper, mpie, maier, meier, muier
hier » her, vier
mhier » mher, mvier, maier, meier, dhier
mhhier » mhher, mhvier
phier » pher, pvier, prier, dhier, thier
mier » mir

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