Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
nam thuc » nam thuoc, am thuc, nam tu
thanh ha » thanh hoa, thanh hai, nhanh ha
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
ha cua » hoa cua, hai cua, nha cua
vu sac » vu sach, vu san, va sac
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: vu sac ky ((nang xa) or (nang ma)) hoi. hieu ve ((nam thuc) or (nam thu)) ban thanh ha cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky ((nang xa) OR (nang ma)) hoi. hieu ve ((nam thuc) OR (nam thu)) ban thanh ha cua te.
• Adding a wildcard symbol may retrieve word variants: vu sac ky ((nang xa) or (nang ma)) hoi. hieu ve ((nam thuc) or (nam thu)) ban thanh ha cua te*.