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