Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
hanh trung » thanh trung, hanh trang, manh trung
tuan bang » tuan hoang, thuat bang, tuong bang
tuan dang » tran dang, tuan dung, tuan duong
cong anh » cong danh, dong anh, hong anh
tuan cao » toan cao, juan cao, quang 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 sang) or (chiet tach)) - hanh trung ((tuan bang) OR (tuan dang)) cong anh tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chiet tach)) - hanh trung ((tuan bang) OR (tuan dang)) cong anh tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sang) or (chiet tach)) - hanh trung ((tuan bang) OR (tuan dang)) cong anh tuan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (chiet tach)) - hanh trung ((tuan bang) OR (tuan dang)) cong anh tuan cao*.