Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thinh doan » chinh doanh, hinh toan, thi doan
phan cong » thanh cong
cong than » cong thanh, cong thang, cong tan
doan hoa » doanh khoa, doanh hoan, toan hoat
hoa phan » hoa dan, co phan
phan van » pham van, thanh van, luan van

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 khang - thinh doan hoa phan cong than ((phan tu) or (phan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu khang - thinh doan hoa phan cong than ((phan tu) OR (phan van))*.