Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tran » thanh trang, thanh toan, thanh tra
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
van thong » van thuong, van phong, va thong
tran van » luan van
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - thanh tran van thong cong san ((van ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh tran van thong cong san ((van ban) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh tran van thong cong san ((van ban) or (toan ban))*.