Perhaps you should try some spelling variations:
nhuong cong » nhung cong, luong cong, duong cong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
van nhuong » van chuong, van phuong, van huong
nhan dang » nhan dan, phan dang, tran dang
cong danh » cuong danh, cong dan, cong thanh
dang van » hoang van, hang va
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sang)) - nhan dang van nhuong cong danh ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - nhan dang van nhuong cong danh ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - nhan dang van nhuong cong danh ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - nhan dang van nhuong cong danh ((toan cao) OR (toan ban))*.