Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
nhan dang » phan dang, tran dang
dang cong » dung cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
nhan dan » phan dau, gian dan, nhan tai
toan cao » toan ban, toan tap
va dang » van dang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - ((nhan dang) or (nhan dan)) va dang cong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((nhan dang) OR (nhan dan)) va dang cong thanh toan cao*.