Perhaps you should try some spelling variations:
khong cang » thong cong, hong bang, khong dung
chua xang » chua nang, chuc nang, chu bang
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
chu xanh » chu manh, chieu xanh, chuc danh
cang dan » cong dan, tang dan, canh dan
toan cao » toan tap
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - canh tranh cua khong cang dan ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - canh tranh cua khong cang dan ((toan cao) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - canh tranh cua khong cang dan ((toan cao) or (toan ban))*.