Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
tinh trang » minh trang, tinh quang, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
trang va » tran van, hang va
cong tan » cong tac, cong san, cong thanh
than cau » than cap, thanh chau, thanh mau
phan cau » phan dau, phan cac, phan tu
toan cau » 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 - tinh trang va thuong cong tan ((((than cau) OR (phan cau))) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - tinh trang va thuong cong tan ((((than cau) OR (phan cau))) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - tinh trang va thuong cong tan ((((than cau) OR (phan cau))) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - tinh trang va thuong cong tan ((((than cau) OR (phan cau))) or (toan cau))*.