Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
cong dan » cong san, cong tan, huong dan
chan lap » phan lap, thanh lap, dan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - thanh trung ((cua thong) OR (cua khong)) cong dan ((chan lap) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung ((cua thong) OR (cua khong)) cong dan ((chan lap) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh trung ((cua thong) OR (cua khong)) cong dan ((chan lap) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung ((cua thong) OR (cua khong)) cong dan ((chan lap) or (phan tu))*.