Perhaps you should try some spelling variations:
quan nhung » qua nhung, cua nhung, luan chung
chieu xanh » chieu sach, chieu sang, chieu tinh
tong quan » thong quan, tong luan, luong quan
cong danh » cuong danh, cong dan, cong thanh
dong anh » hong anh, dong thanh, hoang anh
tuan ban » tuan bang, toan ban, luan ban

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 (chinh sach)) - han tong quan nhung ((dong anh) or (cong danh)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chinh sach)) - han tong quan nhung ((dong anh) OR (cong danh)) tuan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chinh sach)) - han tong quan nhung ((dong anh) or (cong danh)) tuan ban*.