Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
truong cac » trong cac, truong ca, truong cdcn
truong cao » truong dai
chung cong » nhung cong, chong cong, phung cong
cong vang » cong lang, cong quang, cong ngang
vang quan » van quan, nang quan, tang quan
quan cau » quang cao, toan cau, quan ha

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