Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tran » thanh trang, thanh tra, thanh tuan
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
van nang » van quang, van dong, van dung
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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: hoc thieu xanh - ((thanh tran) OR (thanh toan)) ((van nang) OR (van ban)) cong san toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((thanh tran) or (thanh toan)) ((van nang) OR (van ban)) cong san toan cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thanh tran) or (thanh toan)) ((van nang) OR (van ban)) cong san toan cau*.