Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh hoan » doanh doanh, doanh khoa, doanh nhan
cua trong » cua truong, cua trung, qua trong
cong vang » cong lang, cong quang, cong ngang
khi xanh » khia canh, thi hanh, thi anh
cong van » cong san, song van, cong tan
tuan tu » tuan thu, tran tu, toan 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 khi xanh - ((canh doanh) or (doanh hoan)) cua trong ((cong van) OR (cong vang)) tuan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - ((canh doanh) OR (doanh hoan)) cua trong ((cong van) OR (cong vang)) tuan tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi khi xanh - ((canh doanh) or (doanh hoan)) cua trong ((cong van) OR (cong vang)) tuan tu*".