Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung tham » trung tam, trung thanh, trung thang
tham nhung » thi nhung
nhung hang » nhung lang, nhung bang, nhung cang
ban chau » ban chat, ban cau, ban chan
va ban » van ban, va bai, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu xanh) or (chieu sach)) - hanh trung tham nhung hang va ban chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (chieu sach)) - hanh trung tham nhung hang va ban chau.
• Adding a wildcard symbol may retrieve word variants: doc ((chieu xanh) or (chieu sach)) - hanh trung tham nhung hang va ban chau*.