Perhaps you should try some spelling variations:
thanh trung » thanh tung
truong cong » trong cong, truong dong, truong long
chieu sach » chinh sach, chieu sang, chieu xanh
cua truong » cua trung, xuan truong, cac truong
trung cua » truong cua, trung tuan, trung cap
san chan » san chang, dan chan, ban chan
san chay » san pham, van chat, dan chan

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