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

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