Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
dan thuc » dan toc, am thuc
can thuc » van thuc, cay thuc, san thuc
su sach » so sach, vu sach
sach yu » sach y, sach tu, sach uu
yu hang » yu zhang, yu pang, yu wang
ca hoi » cau hoi, cua hoi, co hoi
vi cua » vai cua, di 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 yu hang ((ca hoi) or (xa hoi)). lieu va ((can thuc) or (dan thuc)) ban thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach yu hang ((ca hoi) OR (xa hoi)). lieu va ((can thuc) OR (dan thuc)) ban thanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach yu hang ((ca hoi) or (xa hoi)). lieu va ((can thuc) or (dan thuc)) ban thanh vi cua triet*.