Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
su triet » su viet, su tien, ve triet
cham tuc » nham thuc, pham thuc, tham thuc
cach tu » cach thuc
va tinh » may tinh
su cach » su sach, tu cach, su cac
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tu nang » tru nang, tu nong, tu nano
va hanh » van hanh, va thanh, va danh

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cach tu nang x ho. hieu ve cham tuc ((va hanh) or (va tinh)) vi ((su triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach tu nang x ho. hieu ve cham tuc ((va hanh) OR (va tinh)) vi ((su triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: su cach tu nang x ho. hieu ve cham tuc ((va hanh) or (va tinh)) vi ((su triet) or (cua viet))*.