Perhaps you should try some spelling variations:
khmier » khmer, khmmier, khmpier, khmhier
dhier » hier, thier, dhmier, dhpier, dhhier
khhier » khhmier, khhpier, khhhier
ier » mier, pier, hier
vier » vmier, vpier, vhier, view, vie, ver
vhier » vhmier, vhpier, vhhier, hier, thier, ahier
ppiero » ppmiero, pppiero, pphiero, piero, priero, spiero

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

• Performing a fuzzy search may retrieve terms with similar spellings: sadhana ((((((khhier or khmier) or dhier) or ier) or ((vier or vhier) or vhier)) or ppiero))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sadhana ((((((khhier OR khmier) OR dhier) OR ier) OR ((vier OR vhier) OR vhier)) OR ppiero)).
• Adding a wildcard symbol may retrieve word variants: sadhana ((((((khhier or khmier) or dhier) or ier) or ((vier or vhier) or vhier)) or ppiero))*.