Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
cua phuong » cuu phuong, cuc phuong, luan phuong
canh ban » can ban, canh dan, doanh ban
canh van » anh van, can van, cach van
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang 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: ho ((chieu sach) or (chieu xanh)) - ((canh ban) OR (canh van)) cua phuong cong van tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu xanh)) - ((canh ban) OR (canh van)) cua phuong cong van tan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu xanh)) - ((canh ban) OR (canh van)) cua phuong cong van tan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu xanh)) - ((canh ban) OR (canh van)) cua phuong cong van tan ban*.