Perhaps you should try some spelling variations:
thien van » thi van
luat duoc » luat tuc
cua triet » cua viet, su triet, va triet
van luat » dan luat, va luat, van xuat
duoc van » duoc va, duc van, duoc ban
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
sach ly » sach y, sach lo, sach hay
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
vai cua » dai cua, hai cua, lai cua

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 ty)) nang xa hoi. thien van luat duoc van hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ly) OR (sach ty)) nang xa hoi. thien van luat duoc van hanh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: su ((sach ly) or (sach ty)) nang xa hoi. thien van luat duoc van hanh vai cua triet*.