Perhaps you should try some spelling variations:
bent when » best when, debt when, text when
when when » when where, wheel when, when women
using sat » using smt, using smart, using state
using sar » using svr, using smart, using saber
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi
wang » wing, wan

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang OR lang) hyoung ((yang jin) OR (yang jui)) bent when when ((using sat) OR (using sar)) ;~".
• Adding a wildcard symbol may retrieve word variants: (wang OR lang) hyoung ((yang jin) OR (yang jui)) bent when when ((using sat) OR (using sar)) ;*.