Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tran » thanh trang, thanh toan, thanh tra
nhung choi » nhung chi, nhung thoi, nhung chong
hoc thieu » toc thieu, hoc hien
van nhung » van nhuong, va nhung, van hung
tran van » luan van
choi dan » hoi dan, hoa dan, hoc dan
toan cao » toan ban
toan tap » toan ban

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 nhung choi dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh tran van nhung choi dan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh tran van nhung choi dan ((toan cao) or (toan tap))*.