Perhaps you should try some spelling variations:
cong thuong » hang thuong
thuong dan » huong dan, thuong han, thuong dam
hanh tong » hanh trong, han tong, hanh dong
tong luan » tang luan, dung luan, hang luan
luan cong » luat cong, luong cong, luan chung
chu tinh » chau tinh, chua tinh, chu tich
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu tinh) OR (cuu tinh)) - hanh tong luan cong thuong dan toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu tinh) OR (cuu tinh)) - hanh tong luan cong thuong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chu tinh) OR (cuu tinh)) - hanh tong luan cong thuong dan toan tap*.