Perhaps you should try some spelling variations:
ban hanh » ban hang
hanh tai » thanh tai, hang tai, han tai
nang xa » nang x, lang xa, nang ma
tang ma » mang may, tang van
hieu vi » hieu voi, hieu va, hieu ve
duc ban » duc tan, duc van, dua ban
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
pham » phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky ((nang xa) or (tang ma)) hoi. hieu vi pham duc ban hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((nang xa) OR (tang ma)) hoi. hieu vi pham duc ban hanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky ((nang xa) or (tang ma)) hoi. hieu vi pham duc ban hanh tai cua tre*.