Perhaps you should try some spelling variations:
ier » pier, vier
mier » mpier, mvier, mir
mpier » mppier, mpvier, pier, maier, meier
hier » hpier, hvier, her, pier, vier
mehier » mehpier, mehvier, meher, mepier, mevier
mhvier » mhvpier, mhvvier
phhier » phhpier, phhvier, phher, phpier, phvier, pohier

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

• Performing a fuzzy search may retrieve terms with similar spellings: sadhana ((((per or ier) or (((((mier or mpier) or hier) or mehier) or mer) or mhvier)) or phhier))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sadhana ((((per OR ier) OR (((((mier OR mpier) OR hier) OR mehier) OR mer) OR mhvier)) OR phhier)).
• Adding a wildcard symbol may retrieve word variants: sadhana ((((per or ier) or (((((mier or mpier) or hier) or mehier) or mer) or mhvier)) or phhier))*.