Perhaps you should try some spelling variations:
hieu suat » hieu luat, hieu qua
kyo sang » cao sang
sang lai » sang tai, sang lap, mang lai
hieu sau » tieu su, hieu va, hieu van
van hanh » van thanh, ban hanh, van anh
lai roi » lai hoi, loi roi
san kyo » sang kyo, san khoa
hieu su » tieu su, hieu so, hieu qua
tu san » thu san, tu ban, tu can
vi cua » vai cua, di cua
xu van » tu van, vu van, su van
cua te » cua tu

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

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