Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
pham thuc » phap thuc, pham chuc, nham thuc
hieu cau » nhieu cau, hieu cac, hieu ca
danh lai » danh sai, gianh lai, dinh lam
cau pham » cau cham, cau phan, cau phap
tang van » dang van, hoang van, trong van
sach ky » sac ky, sach y, sach ty
tang ma » mang may
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet

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 ky ((tang ma) OR (tang van)) hoi. hieu cau pham thuc va danh lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky ((tang ma) OR (tang van)) hoi. hieu cau pham thuc va danh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky ((tang ma) OR (tang van)) hoi. hieu cau pham thuc va danh lai cua tre*.