Perhaps you should try some spelling variations:
chinh luan » chinh ngan, trinh luan, binh luan
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chi) OR (doc hieu)) xanh - hanh chinh luan chung cong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chi) OR (doc hieu)) xanh - hanh chinh luan chung cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ((doi chi) OR (doc hieu)) xanh - hanh chinh luan chung cong tac toan ban*.