Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
va phuong » cac phuong
khoan cam » khoa cam, khoan va, phan cam
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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 - thanh trung ((va phuong) or (va thuong)) ((cong tan) OR (cong san)) khoan cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((va phuong) OR (va thuong)) ((cong tan) OR (cong san)) khoan cam.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((va phuong) or (va thuong)) ((cong tan) OR (cong san)) khoan cam".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((va phuong) or (va thuong)) ((cong tan) OR (cong san)) khoan cam*.