Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thanh toan » thanh hoa, thanh san, tinh toan
hien tach » thien hach, chiet tach, vien bach
dung cong » dung trong
trinh va » trinh van, trinh vat, trinh ve
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tach - hanh trinh va dung cong ((thanh toan) or (((van toan) or (van tuan)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tach - hanh trinh va dung cong ((thanh toan) OR (((van toan) OR (van tuan)))) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien tach - hanh trinh va dung cong ((thanh toan) or (((van toan) or (van tuan)))) cau*.