Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
canh doanh » hanh doanh, chinh doanh, doanh doanh
cuu phuong » cac phuong, thu phuong
doanh cuu » doanh cua, doanh chu, doanh chau
dang sinh » dang dinh, khang sinh
dang hanh » dang thanh, ban hanh, dang van
thanh lap » thanh san, phan lap, thanh hai
so thiet » soc thiet, hoc thiet, hoa thiet

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

• Performing a fuzzy search may retrieve terms with similar spellings: so thiet tach - canh doanh cuu phuong ((dang sinh) or (dang hanh)) thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so thiet tach - canh doanh cuu phuong ((dang sinh) OR (dang hanh)) thanh lap.
• Adding a wildcard symbol may retrieve word variants: so thiet tach - canh doanh cuu phuong ((dang sinh) or (dang hanh)) thanh lap*.