Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
yang yang » wang yang, wang yan
tuan hua » tan hua, tuan vu, yuan hui
pei yang » wei yang, hui yang, yi yang
baby son » baby long, baby how, baby yo
pei yun » lei kyun, mei yung, wei yuan
de long » le long, de longue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan kang) or (yang yang)) tuan hua ((pei yun) OR (pei yang)) ((baby son) or (de long)) do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan kang) OR (yang yang)) tuan hua ((pei yun) OR (pei yang)) ((baby son) OR (de long)) do ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan kang) or (yang yang)) tuan hua ((pei yun) OR (pei yang)) ((baby son) or (de long)) do ;".
• Adding a wildcard symbol may retrieve word variants: ((yuan kang) or (yang yang)) tuan hua ((pei yun) OR (pei yang)) ((baby son) or (de long)) do ;*.