Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
tam nhung » tham nhung, nam nhung, lam nhung
cam nhung » cam hung, nam nhung, tham nhung
cong san » cong tac
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 trung ((tam nhung) OR (cam nhung)) cong san ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh trung ((tam nhung) OR (cam nhung)) cong san ((toan cao) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh trung ((tam nhung) OR (cam nhung)) cong san ((toan cao) or (toan tap))*".