Perhaps you should try some spelling variations:
pier » piero, per, pie, pvier
mpier » mpiero, mper, mpie, mpvier, maier, meier, spier
hier » her, vier, hvier
phier » pher, pvier, phvier, prier, dhier, ahier
thier » ther, tvier, thvier, thiers, thiery, trier
ier » vier
mier » mvier, mir
mhhvier » mhhvvier

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