Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san
theo phap » thi phap
hang cong » dang cong, hang nong, bang cong
manh toan » anh tuan
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
cua hang » cua dang, cua nhung, cua cong

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 phap tieng - anh dung cua hang cong ((((manh toan) OR (tinh toan))) OR (thanh toan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo phap tieng - anh dung cua hang cong ((((manh toan) OR (tinh toan))) or (thanh toan)) cao~".
• Adding a wildcard symbol may retrieve word variants: theo phap tieng - anh dung cua hang cong ((((manh toan) OR (tinh toan))) or (thanh toan)) cao*.