Perhaps you should try some spelling variations:
thuc van » thuc dan, thuc va, thuc hanh
va chan » va phan, va chat, va cham
sach ty » sach y, sach thu, xach tay
hieu va » lieu va, hieu qua
sach tu » sach thu, cach tu, sach uu
cuu tre » cua tre, cau tren, cau treo
anh di » danh di, xanh di, anh d
di cuu » di cau, di cua, dinh cuu
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach tu)) nang x hoi. hieu va chan ((thuc van) OR (thuc vat)) anh di cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) or (sach tu)) nang x hoi. hieu va chan ((thuc van) OR (thuc vat)) anh di cuu tre~".
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach tu)) nang x hoi. hieu va chan ((thuc van) OR (thuc vat)) anh di cuu tre*.