Perhaps you should try some spelling variations:
nam duoc » nam thuoc, da duoc, dat duoc
sang mai » sang ma, sang tai, lang mai
mai khoi » mai khoa, tai khoa, cac khoi
hanh dai » hanh tai, hanh dao, vanh dai
ky sang » ky nang, ky dang, ky tang
hieu ve » hieu va, hieu van
cua tre » cuu tre, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
te sai » te tai, te bai, te lai
sai ky » sac ky
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: te sai ky sang mai khoi. hieu ve ((nam duoc) or (cam xuc)) va hanh dai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky sang mai khoi. hieu ve ((nam duoc) OR (cam xuc)) va hanh dai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sai ky sang mai khoi. hieu ve ((nam duoc) or (cam xuc)) va hanh dai ((cua tre) or (cua te))*.