Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
vu sach » vu bach, su sach, vu khach
mang xa » mang may, dang xay, mang cua
lang xa » lang ha, dang xay, lang van
hieu he » hieu ve, hiem he, hieu le
thuc va » thuc vat, thuc dan, thuc day
he nam » ha nam, nghe nam
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y ((mang xa) or (lang xa)) hoi. hieu he nam thuc va thanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y ((mang xa) OR (lang xa)) hoi. hieu he nam thuc va thanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: vu sach y ((mang xa) or (lang xa)) hoi. hieu he nam thuc va thanh vi cua tu*.