Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tran » hanh trang, thanh tran, hanh tram
thanh tra » thanh toan, thanh hoa
van thong » van thuong, van phong, va thong
thanh lap » thanh san, phan lap, thanh hai
cong van » cong vang, cong san, song van
than cap » khan cap, thanh cac, than cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh tran) OR (thanh tra)) van thong cong van ((than cap) OR (thanh lap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh tran) or (thanh tra)) van thong cong van ((than cap) OR (thanh lap))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh tran) or (thanh tra)) van thong cong van ((than cap) OR (thanh lap))*.