Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
dung cua » dung luan, dung cho
cua dung » cua dang, cua dong, qua dung
tan toan » tap toan, van toan, tam toan
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - hanh dung cua dung cong ((((tan toan) OR (dan toan))) or (tan tran)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh dung cua dung cong ((((tan toan) OR (dan toan))) OR (tan tran)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - hanh dung cua dung cong ((((tan toan) OR (dan toan))) or (tan tran)) cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh dung cua dung cong ((((tan toan) OR (dan toan))) or (tan tran)) cau*.