Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thuong » cua truong, cua phuong, ca thuong
cua khong » hua khong, cua phuong, cua cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
pham cau » phan cau, pham can, pha cau
pham ca » pham can, pham ma, pham va

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 ((cua khong) OR (cua thuong)) cong tac ((pham cau) or (pham ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((cua khong) OR (cua thuong)) cong tac ((pham cau) OR (pham ca))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((cua khong) OR (cua thuong)) cong tac ((pham cau) or (pham ca))*".