Perhaps you should try some spelling variations:
spier » spider, spicer, speer, spmier, sppier, sphier
spies » spiess, spes
khmier » khmer, khmmier, khmpier, khmhier
ier » mier, pier, hier
vier » vmier, vpier, vhier, view, vie, ver
pmier » pmmier, pmpier, pmhier, mier, pier, prier
prhier » prhmier, prhpier, 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 ((((((spier or spies) or khmier) or ier) or vier) or (pmier or prhier)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sadhana ((((((spier OR spies) OR khmier) OR ier) OR vier) OR (pmier OR prhier))).
• Adding a wildcard symbol may retrieve word variants: sadhana ((((((spier or spies) or khmier) or ier) or vier) or (pmier or prhier)))*.