Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thu hoach
nang doc » nang luc
doc hai » hoc hai, duc hai, do hai
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
va lam » van lam, va lap
di cua » dai cua, doi cua, de cua
va am » va cam

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: ((thu sach) OR (thuoc sach)) ky nang doc hai. hieu ((va am) OR (va lam)) thuc va danh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuoc sach)) ky nang doc hai. hieu ((va am) or (va lam)) thuc va danh di cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (thuoc sach)) ky nang doc hai. hieu ((va am) or (va lam)) thuc va danh di cua triet*.