Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty
tu nang » tru nang, tu nong, tu nano
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
lai cua » dai cua, hai cua, lai chau
va bac » van bac, va cac, va bai
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach tu nang x hoi. hieu va bac xuc ((va danh) or (ban hanh)) lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nang x hoi. hieu va bac xuc ((va danh) OR (ban hanh)) lai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach tu nang x hoi. hieu va bac xuc ((va danh) or (ban hanh)) lai cua triet*.