Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
trong mach » trong cac, trong minh, trong anh
hoc chinh » hoan chinh, hoc sinh, hoc kinh
toan van » tran van, toan ban, tan van
van dung » van dong, xay dung, tin dung
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - thanh toan van dung trong mach ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - thanh toan van dung trong mach ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh toan van dung trong mach ((toan cau) or (toan cao))*.