Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
thuc van » thuc vat, thuc dan, thuc va
su sach » so sach, vu sach
mang xa » mang may, dang xay, mang cua
lang xa » lang ha, dang xay, lang van
van anh » van thanh, tuan anh, van minh
de cua » te cua, dieu cua
le cua » ly cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y ((mang xa) or (lang xa)) hoi. hieu van nam thuc van anh ((de cua) OR (le cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((mang xa) OR (lang xa)) hoi. hieu van nam thuc van anh ((de cua) OR (le cua)) te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y ((mang xa) or (lang xa)) hoi. hieu van nam thuc van anh ((de cua) OR (le cua)) te*".