Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tung » thanh cong
luan chung » luan chinh
hoc thieu » toc thieu, hoc hien
tung luan » dung luan, tang luan, tong luan
duong van » duong va, luong va, dang van
trong van » trong cac
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

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 luan chung ((cong san) or (((duong van) or (trong van)))) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh tung luan chung ((cong san) OR (((duong van) OR (trong van)))) than cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh tung luan chung ((cong san) or (((duong van) or (trong van)))) than cap*.