Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
hieu sau » hieu su, hieu suat, tieu su
sau chao » sau cho, sau chan, cau cham
thu dan » thuc dan, thu dang, thu ban
ky sang » ky nang, ky dang, ky tang
lai hoi » dai hoi, lai hoa, lai roi
danh vi » hanh vi, dinh vi, danh di
dan ky » van ky
xu van » tu van, vu van, su van
vi cua » vai cua, di cua
cua te » cua tu
xu va » tu va, su va, vu 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 dan ky sang lai hoi. hieu sau chao ((xu va) or (xu van)) danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu dan ky sang lai hoi. hieu sau chao ((xu va) OR (xu van)) danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thu dan ky sang lai hoi. hieu sau chao ((xu va) or (xu van)) danh vi cua te*.