Perhaps you should try some spelling variations:
truong quan » thong quan, luong quan, truong van
chieu xanh » chieu sach, chieu sang, chieu tinh
trong quan » thong quan, tong quan, thong quang
hieu xanh » hieu manh, hieu nganh, dieu hanh
thong tan » thong than, thong tran, thong tin
tan toan » tan tran, tap toan, van 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: doc ((hieu xanh) OR (chieu xanh)) - manh ((truong quan) or (trong quan)) thong thong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - manh ((truong quan) OR (trong quan)) thong thong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (chieu xanh)) - manh ((truong quan) or (trong quan)) thong thong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (chieu xanh)) - manh ((truong quan) or (trong quan)) thong thong tan toan ban*.