Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cua truong » cua trung, xuan truong, cac truong
trung cua » truong cua, trung tuan, trung cap
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
phan dau » hang dau

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