Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
thuc hien » hoc hien
hien nang » thien nang, bien nang, dien nang
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong cong » trong cong, dung cong, dang cong
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuc hien nang - hanh tang luan ((cong cong) or (cong dong)) thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuc hien nang - hanh tang luan ((cong cong) OR (cong dong)) thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: thuc hien nang - hanh tang luan ((cong cong) or (cong dong)) thanh toan ban*.