Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban danh » ban doanh, ban hanh, ban dan
dan danh » van danh, han danh, dai danh
thu sach » tu sach, thuat sach, thuoc sach
nang doc » nang luc
doc hai » hoc hai, duc hai, do hai
y nang » ky nang, ly nang, v nang
va lam » van lam, va lap
va am » va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang doc hai. hieu ((va am) or (va lam)) thuc ((dan danh) OR (ban danh)) dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang doc hai. hieu ((va am) OR (va lam)) thuc ((dan danh) OR (ban danh)) dai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang doc hai. hieu ((va am) or (va lam)) thuc ((dan danh) OR (ban danh)) dai cua triet*".