Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thien van » thi van
pham thuc » phap thuc, pham chuc, nham thuc
van pham » san pham, van phan, van phat
dinh dau » dinh dat, dinh du, danh dau
nang ma » tang ma, sang ma, nang cao
thuc va » thuc vat, thuc dan, thuc day
va dinh » van dinh, va kinh, va tinh
dau cuu » dau cua, dau cuoi
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y ((nang x) or (nang ma)) hoi. thien van pham thuc va dinh dau cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y ((nang x) OR (nang ma)) hoi. thien van pham thuc va dinh dau cuu tre.
• Adding a wildcard symbol may retrieve word variants: thuoc sach y ((nang x) or (nang ma)) hoi. thien van pham thuc va dinh dau cuu tre*.