Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cap nhung » vap nhung, dap nhung, canh nhung
cam nhung » cam hung, nam nhung, tham nhung
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
khan cap » khan ap, than cap, khoan cam

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 tung ((cap nhung) or (cam nhung)) cong dan ((than cau) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh tung ((cap nhung) OR (cam nhung)) cong dan ((than cau) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh tung ((cap nhung) or (cam nhung)) cong dan ((than cau) or (khan cap))*.