Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thanh toan » thanh hoa, thanh san
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
van hang » van khang, van hoang, van thang
cong van » cong vang, cong san, song van
van quan » van ban
quan ha » quan he

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) or (hieu manh)) - ((thanh toan) or (tinh toan)) van hang cong van quan ha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - ((thanh toan) OR (tinh toan)) van hang cong van quan ha.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - ((thanh toan) or (tinh toan)) van hang cong van quan ha*.