Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh toan » thanh hoa, thanh san, tinh toan
trong hach » trong mach, trong cach, trong thanh
trong hanh » trong thanh, trong anh, trong canh
hoc chiet » hoc thiet, hoc nhiet, hoc hien
toan van » tran van, toan ban, tan van
van dung » van dong, xay dung, tin dung
toan cau » 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 chiet tach - thanh toan van dung ((trong hach) OR (trong hanh)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chiet tach - thanh toan van dung ((trong hach) OR (trong hanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - thanh toan van dung ((trong hach) OR (trong hanh)) toan cau*.