Perhaps you should try some spelling variations:
pier » piero, pie, piel, pvier, phier
vhier » vier, hier, dhier, vhvier, vhhier
ier » vier, hier
mier » mvier, mhier, mer, mir
mvier » mvvier, mvhier, vier, meier, avier
maier » mavier, mahier, maior, mater, mayer
mhier » mhvier, mhhier, meier, hier, dhier

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