Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chiet tach, chieu sang, hieu cach
va phuong » va thuong, cac phuong
tranh va » tranh van, trang va, trinh va
cong van » cong vang, cong san, song van
van chat » cao chat

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 (chieu sach))) or (chinh sach)) - canh tranh va phuong cong van chat va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (chieu sach))) OR (chinh sach)) - canh tranh va phuong cong van chat va*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu xanh) OR (chieu sach))) or (chinh sach)) - canh tranh va phuong cong van chat va*".