Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tang » hanh trang, anh tang, hanh mang
ca thuong » cao thuong, cua thuong, va thuong
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
than cao » thai cao, than cap, than sao
toan cao » toan ban, toan 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 xanh - hanh tang ((cua tong) or (ca thuong)) cong tan ((than cao) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh tang ((cua tong) OR (ca thuong)) cong tan ((than cao) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh tang ((cua tong) or (ca thuong)) cong tan ((than cao) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tang ((cua tong) or (ca thuong)) cong tan ((than cao) OR (toan cao))*.