Perhaps you should try some spelling variations:
su triet » su tien, ve triet
vu sach » vu bach, su sach, vu khach
thuc va » thuc vat, thuc dan, thuc day
danh du » danh dau, danh tu, dinh du
va danh » va dinh, va dan, va hanh
su viet » so viet
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
nang xa » lang xa, nang ma, mang xa
ve am » va am

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 ky ((nang xa) or (nang x)) hoi. hieu ve am thuc va danh du ((su triet) OR (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky ((nang xa) OR (nang x)) hoi. hieu ve am thuc va danh du ((su triet) OR (su viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky ((nang xa) or (nang x)) hoi. hieu ve am thuc va danh du ((su triet) OR (su viet))*".