Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
cao suc » cao su, cao duc
va danh » va dinh, va dan, va hanh
cuu tre » cua tre, cau tren, cau treo
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
va cao » va cac, va co, va dao
di cuu » di cau, di cua, dinh cuu

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 tang ma hoi. hieu va cao suc ((va danh) or (ban thanh)) di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky tang ma hoi. hieu va cao suc ((va danh) OR (ban thanh)) di cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky tang ma hoi. hieu va cao suc ((va danh) or (ban thanh)) di cuu tre*.