Perhaps you should try some spelling variations:
heier » heiler, heider, heer, hepier, hevier, hehier
piero » ppiero, pviero, phiero
ier » pier, vier, hier
mier » mpier, mvier, mhier
meier » mepier, mevier, mehier, meiner, meyer, maier
mhhier » mhhpier, mhhvier, mhhhier
prhier » prhpier, prhvier, prhhier, pohier, porthier

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: sadhana (((((heier or piero) or ier) or ((((mier or mir) or meier) or mer) or mhhier)) or prhier))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sadhana (((((heier OR piero) OR ier) OR ((((mier OR mir) OR meier) OR mer) OR mhhier)) OR prhier)).
• Adding a wildcard symbol may retrieve word variants: sadhana (((((heier or piero) or ier) or ((((mier or mir) or meier) or mer) or mhhier)) or prhier))*.