Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thanh tong » thanh cong, thanh tung, thanh long
hieu manh » chieu xanh, hieu nganh, dieu hanh
tong quan » thong quan, tong luan, luong quan
quan dung » quang dung, quan duong, qua dung
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
tai cau » tai cac, tai cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (hieu manh)) - thanh tong quan dung ((cong van) OR (song van)) tai cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh tong quan dung ((cong van) OR (song van)) tai cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - thanh tong quan dung ((cong van) OR (song van)) tai cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - thanh tong quan dung ((cong van) OR (song van)) tai cau*.