Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, you liang
yang yang » wang yang
de longue » der longue, de langue, de langues
longue do » long do, longer do
tuan hua » tan hua, tuan vu, yuan hui
lee keun » lee kyung, lee jean, lee kuan
keun de » keul die

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yan liang) or (yang yang))) or (wang yan)) ((tuan hua) or (can china)) lee keun de longue do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yan liang) OR (yang yang))) OR (wang yan)) ((tuan hua) OR (can china)) lee keun de longue do ;.
• Adding a wildcard symbol may retrieve word variants: ((((yan liang) or (yang yang))) or (wang yan)) ((tuan hua) or (can china)) lee keun de longue do ;*.