Perhaps you should try some spelling variations:
chinh quan » chinh quyen, chinh ngan, trinh quan
thien hach » thien thanh, hien hanh
chinh luan » chinh ngan, trinh luan, binh luan
dien sach » dien anh
tong cong » trong cong, cong cong, dung cong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
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 ((thien hach) or (dien sach)) - hanh ((chinh quan) OR (chinh luan)) tong cong danh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien hach) OR (dien sach)) - hanh ((chinh quan) OR (chinh luan)) tong cong danh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien hach) or (dien sach)) - hanh ((chinh quan) OR (chinh luan)) tong cong danh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien hach) or (dien sach)) - hanh ((chinh quan) OR (chinh luan)) tong cong danh toan ban*.