Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
cua khong » hua khong, cua phuong, cua cong
chi xanh » chi anh, chi danh, chi hanh
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - canh tranh ((cua khong) OR (cua thuong)) cong san toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - canh tranh ((cua khong) OR (cua thuong)) cong san toan ban*".