Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
thanh dung » thanh duong, thanh tung, thanh hung
hanh luong » hang luong, thanh huong, thanh cuong
doan phan » doanh phan, toan phan, doanh nhan
dung dan » dung dat, dung san, tung dan
dan hanh » dang hanh, dan khanh, dan thanh
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 dung dan hanh luong ((dan phan) or (doan phan)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tach - thanh dung dan hanh luong ((dan phan) OR (doan phan)) lap*.