Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
thien anh » thien danh, tien anh, thien thanh
trung va » truong va, trang va, trung ha
va thong » va thuong, va phuong, he thong
cong van » cong vang, cong san, song van
tan cao » toan cao, tao cao, tan ca
tay cao » tao cao, tay co, toan 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 ((chieu xanh) or (thien anh)) - thanh trung va thong cong van ((tan cao) OR (tay cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (thien anh)) - thanh trung va thong cong van ((tan cao) OR (tay cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (thien anh)) - thanh trung va thong cong van ((tan cao) OR (tay cao))*".