Perhaps you should try some spelling variations:
truong vien » truong viet, truong dien, truong bien
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
trung vien » trung kien, trung viet, trung hien
tong cong » trong cong, cong cong, dung cong
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: ho ((chieu xanh) or (chiet tach)) - thanh ((trung vien) OR (truong vien)) tong cong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chiet tach)) - thanh ((trung vien) OR (truong vien)) tong cong hach toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chiet tach)) - thanh ((trung vien) OR (truong vien)) tong cong hach toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chiet tach)) - thanh ((trung vien) OR (truong vien)) tong cong hach toan ban*.