Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh doanh » hang doanh, chinh doanh, doanh doanh
cua truong » cua trung, xuan truong, cac truong
doanh cua » doanh luan
cong vang » cong lang, cong quang, cong ngang
cong van » cong san, song van, cong tan
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 xanh) OR (chieu sang)) - hanh doanh cua truong ((cong van) or (cong vang)) quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - hanh doanh cua truong ((cong van) OR (cong vang)) quan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sang)) - hanh doanh cua truong ((cong van) or (cong vang)) quan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sang)) - hanh doanh cua truong ((cong van) or (cong vang)) quan cau*.