Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, you liang
van hoang » tran hoang, vu hoang, anh hoang
hoang shu » hoang vu, cong shu, hoang sy
jiu cong » li cong
cong van » congo can, duong van, cong sun
wan yan » wang yan, nan yan, wai yan
yang li » yang lin, yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan ((yang li) or (yan liang)) jiu cong van hoang shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan ((yang li) OR (yan liang)) jiu cong van hoang shu ;*.