Perhaps you should try some spelling variations:
thu san » thuy san, thu ban, phu san
ky sang » ky dang, ky tang, duy sang
lai roi » lai hoi, loi roi
hieu su » hieu sau, tieu su, hieu so
su chao » su cao, sau chan
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
vi cua » vai cua, di cua
cua te » cua tu
xu va » xu van, tu va, su va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu san ((ky sang) or (ky nang)) lai roi. hieu su chao xu va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu san ((ky sang) OR (ky nang)) lai roi. hieu su chao xu va danh vi cua te*.