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
cong thanh » dong thanh, cong trinh, cong tan
cua thong » cua khong, cua tong, suat thong
ho chieu » theo chieu, hoc thieu, doi chieu
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 - thanh trung ((cua thong) OR (cua thuong)) cong thanh ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((cua thong) OR (cua thuong)) cong thanh ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((cua thong) OR (cua thuong)) cong thanh ((toan tap) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((cua thong) OR (cua thuong)) cong thanh ((toan tap) or (toan ban))*.