Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
luan chung » luan chinh
cong thanh » dong thanh, cong trinh, truong thanh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong ty
toan cao » toan ban
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: ho chieu xanh - hanh tang luan chung ((cong tan) OR (cong thanh)) ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh tang luan chung ((cong tan) OR (cong thanh)) ((toan cao) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh tang luan chung ((cong tan) OR (cong thanh)) ((toan cao) or (toan tap))*".