Perhaps you should try some spelling variations:
hanh luan » khanh luan, hang luan, han luan
hanh luat » nganh luat, hang luan, hanh lam
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
cap can » cap van, tap can, cap bang
cap han » cap phan, cap hay, cap van
ca cau » cua cau, cac cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((cap can) OR (cap han)) tang - ((hanh luan) or (hanh luat)) tin dung cong dan ca cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((cap can) OR (cap han)) tang - ((hanh luan) OR (hanh luat)) tin dung cong dan ca cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((cap can) OR (cap han)) tang - ((hanh luan) or (hanh luat)) tin dung cong dan ca cau*".