Perhaps you should try some spelling variations:
chieu hanh » chieu xanh, dieu hanh, hien hanh
chong cong » cong cong, thong cong, cuong cong
tang luat » tang luan, hang luan, tong luan
ho chieu » theo chieu, hoc thieu, mot chieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu hanh - hanh ((tang luat) or (nang suat)) chong cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu hanh - hanh ((tang luat) OR (nang suat)) chong cong dan than tap*.