Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
yang yang » wang yang, wang yan
de longue » der longue, de langue, de langues
tuan hua » tan hua, yuan hui
day long » baby long, day one, day line
tuan vu » thanh vu
pei yun » lei kyun, mei yung, pei yang

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

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