Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
doan phan » doanh phan, toan phan, doanh nhan
cua dung » cua dang, cua dong, cua rung
qua dung » quang dung, su dung, qua song
dan phan » dan chan, van phan, dam phan

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

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