Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
cua khong » hua khong, cua phuong, cua cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
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 - canh tranh ((cua khong) OR (cua thuong)) cang dan ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - canh tranh ((cua khong) OR (cua thuong)) cang dan ((toan cao) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - canh tranh ((cua khong) OR (cua thuong)) cang dan ((toan cao) or (toan ban))*.