Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
thuc nang » chuc nang, thuc trang, thich nang
thu cach » thuc cach, thu canh, tu cach
va triet » va thiet, va trien, cua triet
ve triet » va trien, su triet
dieu vu » dien vu, dieu va, dieu cua
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
hanh de » hanh ve, hanh kem

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cach thuc nang x ho. ((dieu vu) or (hieu ve)) pham duc va hanh de ((va triet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach thuc nang x ho. ((dieu vu) OR (hieu ve)) pham duc va hanh de ((va triet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: thu cach thuc nang x ho. ((dieu vu) or (hieu ve)) pham duc va hanh de ((va triet) or (ve triet))*.