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