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