Perhaps you should try some spelling variations:
thu cach » thuc cach, thu canh, tu cach
pham duy » pham duc
va triet » va thiet, va trien, cua triet
van hanh » van thanh, ban hanh, van anh
ve triet » va trien, su triet
dieu vu » dien vu, dieu va, dieu cua
hieu ve » hieu va, hieu van
cach tu » cach thuc
duy van » duy vat, dung van
hanh de » hanh ve, hanh kem
tu nang » tru nang, tu nong, tu nano
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: thu cach tu nang x hoi. ((dieu vu) or (hieu ve)) pham duy van hanh de ((va triet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach tu nang x hoi. ((dieu vu) OR (hieu ve)) pham duy van hanh de ((va triet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: thu cach tu nang x hoi. ((dieu vu) or (hieu ve)) pham duy van hanh de ((va triet) or (ve triet))*.