Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
luong cong » dung cong, trong cong, cong cong
thanh phan » thanh pho, thanh san, thanh toan
thieu anh » thien anh, chieu xanh, thien danh
hoan chat » hoa chat, hoat chat, chuan chat
than phan » toan phan, thanh pham, thanh nhan

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 anh - doanh hoan chat luong cong ((than phan) or (thanh phan)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu anh - doanh hoan chat luong cong ((than phan) OR (thanh phan)) tu*.