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 tac » cong ty
tac toan » tap toan, tam toan, hach 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 tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh tranh ((cua khong) OR (cua thuong)) cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh tranh ((cua khong) or (cua thuong)) cong tac toan ban*.