Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, you liang
jiu congo » jiu cong, du congo, eic congo
congo can » congo call, cong van, congo a
can hoang » can hong, tran hoang, anh hoang
lang yan » wang yan, wang yang, zhang yan
yang lin » yang jin, wang lin, yang li
hoang sy » hoang vu

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan ((yang lin) OR (yan liang)) jiu congo can hoang sy ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan ((yang lin) OR (yan liang)) jiu congo can hoang sy ;*".