Perhaps you should try some spelling variations:
yanling yang » yang yang, ying yang
rene change » leone change, trend change, rate change
change cost » change cross, changed post, change case
yang luis » yang jui, san luis, jan luis
wong sau » wong siu, wong shiu, wong lai
wong sam » wong lai, kong sar, von sam
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling yang luis rene change cost ((wong sau) OR (wong sam)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling yang luis rene change cost ((wong sau) OR (wong sam)) ;*".