Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh doanh » chinh doanh, doanh doanh, kinh doanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
song van » hoang van, trong van, duong van
tai cau » tai cac, tai cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - ((canh doanh) OR (hanh doanh)) cua nhung ((song van) or (trong cac)) tai cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh doanh) OR (hanh doanh)) cua nhung ((song van) OR (trong cac)) tai cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((canh doanh) OR (hanh doanh)) cua nhung ((song van) or (trong cac)) tai cau*".