Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
phong van » phung van, thong van, hong van
chi xanh » chi anh, chi danh, chi hanh
doanh va » doan va, doanh tai, doanh cua
phong va » thong va, phung van, thong van
doi chi » doi khi
hanh tu » anh tu, danh tu

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 doanh va nhung ((phong van) or (phong va)) hanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh doanh va nhung ((phong van) OR (phong va)) hanh tu.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh doanh va nhung ((phong van) or (phong va)) hanh tu*.