Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
ban hanh » ban hang
va hanh » van hanh, va thanh, va danh
ky sang » ky nang, ky dang, ky tang
lai roi » lai hoi, loi roi
hieu su » hieu sau, tieu su, hieu so
tu bai » tu ban, tu bat, te bai
cao xu » chao xu, cao su, cap xu
bai ky » ban ky, sai ky, bac ky
su cao » cu cao, vu cao, su co
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu bai ky sang lai roi. hieu su cao xu ((va hanh) or (ban hanh)) vi ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu bai ky sang lai roi. hieu su cao xu ((va hanh) OR (ban hanh)) vi ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu bai ky sang lai roi. hieu su cao xu ((va hanh) or (ban hanh)) vi ((cua te) or (cua tu))*.