Perhaps you should try some spelling variations:
khang luong » hang luong, nang luong, thang long
thieu tach » thien hach, chiet tach, chieu sach
dan khang » van khang, dan khanh, dao khang
doan phan » doanh phan, toan phan, doanh nhan
cong dan » cong san, cong tan, huong dan
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: toc thieu tach - thanh cong dan khang luong ((dan phan) or (doan phan)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tach - thanh cong dan khang luong ((dan phan) OR (doan phan)) lap*.