Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
hoc thieu » toc thieu, hoc hien
hanh hang » thanh hang, hang hang, hanh han
hang luan » tang luan, dung luan
cong san » cong tac
toan ban » van 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 tinh - hanh hang luan chung cong san ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh hang luan chung cong san ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh hang luan chung cong san ((toan tap) or (toan ban))*.