Perhaps you should try some spelling variations:
thanh trung » thanh tung
truong cong » trong cong, truong dong, truong long
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cua truong » cua trung, xuan truong, cac truong
danh thanh » dinh thanh, dang thanh, nhanh thanh
trung cua » truong cua, trung tuan, trung cap
danh hanh » dang hanh, dan hanh, xanh hanh

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) or (chieu sach)) - thanh trung cua truong cong ((danh hanh) OR (danh thanh)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - thanh trung cua truong cong ((danh hanh) OR (danh thanh)) cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sach)) - thanh trung cua truong cong ((danh hanh) OR (danh thanh)) cac".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - thanh trung cua truong cong ((danh hanh) OR (danh thanh)) cac*.