Perhaps you should try some spelling variations:
truong khoa » tuong khoa, luong khoa, duong khoa
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
trung khoa » trung hoa, rung khoa, trung hoc
dung cong » dung trong
cong ban » cong bang, cong san, cong tan
phap cau » phan cau, pha cau, phap ca

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