Perhaps you should try some spelling variations:
trong quang » truong quang, thong quang, trong quan
hanh trong » hanh trang, anh trong, hinh trong
chieu xanh » chieu sach, chieu sang, chieu tinh
duong hong » duong cong, duong trong, duong vuong
hieu manh » hieu nganh, dieu hanh, hien hanh
dung hong » dung huong, dung khong, dung phong
van tuan » van quan, van ban, anh tuan
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (chieu xanh)) - hanh trong quang ((dung hong) OR (duong hong)) van tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu xanh)) - hanh trong quang ((dung hong) OR (duong hong)) van tuan cu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (chieu xanh)) - hanh trong quang ((dung hong) OR (duong hong)) van tuan cu*".