Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
doan phan » doanh phan, toan phan, doanh nhan
doi lieu » duoc lieu, doi chieu, du lieu
cong cua » cong cu, dong cua, huong cua
cua dung » cua dang, cua dong, qua dung
dan phan » van phan, dam phan, dan than
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - thanh cong cua dung cong ((((dan phan) OR (dan chan))) or (doan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - thanh cong cua dung cong ((((dan phan) OR (dan chan))) OR (doan phan)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi lieu tinh - thanh cong cua dung cong ((((dan phan) OR (dan chan))) or (doan phan)) cau*".