Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
luat duoc » luat tuc
hanh dai » hanh tai, hanh dao, vanh dai
van hanh » van thanh, ban hanh, van anh
duoc van » duoc va, duc van, duoc ban
van luat » dan luat, va luat, van xuat
thi van » thi lan, thi hanh, thi nang
sach ly » sach y, sach lo, sach hay
sach ty » sach y, sach tu, sach thu
sach ha » sach nha, sach han, sach xa
nang xa » nang x, lang xa, nang ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((((sach ly) or (sach ha))) or (sach ty)) nang xa hoi. thi van luat duoc van hanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((((sach ly) OR (sach ha))) OR (sach ty)) nang xa hoi. thi van luat duoc van hanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: su ((((sach ly) or (sach ha))) or (sach ty)) nang xa hoi. thi van luat duoc van hanh dai cua triet*.