Perhaps you should try some spelling variations:
dan thanh » dang thanh, danh thanh, ban thanh
hieu nghe » lieu nghe, hiem ngheo, nhiem nghe
nghe nam » nghe lam, nghiep nam, nghe nano
nam thuc » nam thuoc, am thuc, nam thu
thuc dan » thuc hanh, hoc dan, thuc vat
nang xa » lang xa, nang ma, mang xa
vai cua » dai cua, hai cua, bai cua
lai cua » dai cua, hai cua, lai chau
vu cac » va cac, tu cac, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu cac ky ((nang xa) or (nang x)) hoi. hieu nghe nam thuc dan thanh ((vai cua) OR (lai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu cac ky ((nang xa) OR (nang x)) hoi. hieu nghe nam thuc dan thanh ((vai cua) OR (lai cua)) te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu cac ky ((nang xa) or (nang x)) hoi. hieu nghe nam thuc dan thanh ((vai cua) OR (lai cua)) te*".