Perhaps you should try some spelling variations:
doanh nhung » doanh chung, doanh thuong, doanh nhan
khanh thanh » nhanh thanh, thanh thanh, phan thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
toan nhung » toan chung, toan khung, toan thuong
doi chieu » doc hieu, doi chi, ho chieu
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - khanh thanh ((toan nhung) OR (doanh nhung)) cong san toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - khanh thanh ((toan nhung) OR (doanh nhung)) cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - khanh thanh ((toan nhung) OR (doanh nhung)) cong san toan cao*.