Perhaps you should try some spelling variations:
sang tai » hang tai, sang tao, tang tai
sau chao » sau cho, sau chan, cau cham
hieu sau » hieu su, hieu suat, tieu su
sang lai » sang lap, mang lai, sang mai
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
san ky » sang ky, van ky, ban ky
dan ky » van ky
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) OR (dan ky)) ((sang lai) or (sang tai)) hoi. hieu sau chao xu va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((san ky) OR (dan ky)) ((sang lai) OR (sang tai)) hoi. hieu sau chao xu va danh vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((san ky) OR (dan ky)) ((sang lai) or (sang tai)) hoi. hieu sau chao xu va danh vi cua te*".