Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
manh cua » doanh cua
cong anh » cong danh, dong anh, hong anh
ban cua » ban quan
anh van » anh va, thanh van, doanh van

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 xanh) or (chieu sach)) - lan ((manh cua) or (ban cua)) dung cong anh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - lan ((manh cua) OR (ban cua)) dung cong anh van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - lan ((manh cua) or (ban cua)) dung cong anh van ban*.