Perhaps you should try some spelling variations:
dan thanh » dang thanh, danh thanh, ban thanh
thanh vi » hanh vi, thanh va, thanh ve
thuc dan » thuc hanh, hoc dan, thuc vat
nam thuc » nam thuoc, am thuc, nam thu
hieu he » hieu ve, hiem he, hieu le
nang xa » lang xa, nang ma, mang xa
vi cua » vai cua, di cua
he nam » ha nam, nghe nam
sac 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) OR (cac ky)) ((nang xa) or (nang x)) hoi. hieu he nam thuc dan thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sac ky) OR (cac ky)) ((nang xa) OR (nang x)) hoi. hieu he nam thuc dan thanh vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((sac ky) OR (cac ky)) ((nang xa) or (nang x)) hoi. hieu he nam thuc dan thanh vi cua te*".