Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cua » truong ca, truong cao, huong cua
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, hien khanh
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) OR (chieu xanh)) - thanh ((truong cua) or (truong quan)) nhung cong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - thanh ((truong cua) OR (truong quan)) nhung cong hach toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (chieu xanh)) - thanh ((truong cua) or (truong quan)) nhung cong hach toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (chieu xanh)) - thanh ((truong cua) or (truong quan)) nhung cong hach toan ban*.