Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cam thuc » am thuc, nam thuc, cam thu
danh hai » dang hai, lanh hai, manh hai
te sach » toc sach
xang xa » lang xa, mang xa, ang xa
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
hai cua » thai cua, dai cua, hoi cua
va cam » va cham, va cac, va cao
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: ((te sach) or (thuoc sach)) ty xang xa hoi. hieu va cam thuc va danh hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuoc sach)) ty xang xa hoi. hieu va cam thuc va danh hai cua te.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuoc sach)) ty xang xa hoi. hieu va cam thuc va danh hai cua te*.