Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thu » sach thue, sach thieu, sach tham
cong tac » cong ty
hieu van » hieu va, thien van, lieu va
lam nuoc » lam duoc, lam ngoc, lam nguoi
vanh tai » van tai, hanh tai, vanh dai
te sach » toc sach
tac hoi » tao hoi, tay hoi, tac hai
van lam » van nam
anh tai » hanh tai, anh thai, xanh tai
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach thu cong tac hoi. hieu van lam nuoc va ((((anh tai) or (vanh tai))) or (anh va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu cong tac hoi. hieu van lam nuoc va ((((anh tai) OR (vanh tai))) OR (anh va)) cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach thu cong tac hoi. hieu van lam nuoc va ((((anh tai) or (vanh tai))) or (anh va)) cua triet*.