Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh toan » thanh hoa, tinh toan
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
van thong » van thuong, van phong, va thong
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan cao » toan cao, juan cao, quang cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - ((thanh toan) or (thanh san)) van thong cong van tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((thanh toan) OR (thanh san)) van thong cong van tuan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thanh toan) or (thanh san)) van thong cong van tuan cao*.