Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
de longue » der longue, de langue, de langues
tuan hua » tuan vu, yuan hui
wei yang » pei yang, wei wang, wei yang's
tan hua » wang hua, tan chia, tan puay
de long » le long

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

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