Perhaps you should try some spelling variations:
pier » piero, per, piel, pvier, phier
khier » hier, khmer, dhier, khvier, khhier
ier » vier, hier
mier » mvier, mhier, mer, mir
mhier » mhvier, mhhier, maier, hier, dhier
meier » mevier, mehier, meiner, meyer, maier
pviero » pvviero, pvhiero, priero, viero, spaviero

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