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
can tang » cao tang, can bang, ca tang
cong dan » cong san, cong tan, huong dan
cap can » cap han, cap van, tap can
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 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 tang - ((hanh luan) OR (hanh luat)) tin dung cong dan ca cau*.