Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tang » hanh trang, anh tang, hanh mang
cua khong » hua khong, cua phuong, cua thuong
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
toan cao » toan tap
toan ban » van 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 cua khong ((huong dan) or (cong san)) ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh tang cua khong ((huong dan) OR (cong san)) ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh tang cua khong ((huong dan) or (cong san)) ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tang cua khong ((huong dan) or (cong san)) ((toan cao) OR (toan ban))*.