Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
sai ky » sac ky
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky tang ma hoi. hieu ve pham duc tan ((thanh dai) or (thanh san)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky tang ma hoi. hieu ve pham duc tan ((thanh dai) OR (thanh san)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sai ky tang ma hoi. hieu ve pham duc tan ((thanh dai) or (thanh san)) cua tre*.