Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thuong tuong » thuong truong, thuong luong, thuong trong
thiet tach » chiet tach, thien hach, thuat tach
van thanh » ban thanh, van tuan
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 - thanh thuong tuong ((trong cong) or (dung trong)) van thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so thiet tach - thanh thuong tuong ((trong cong) OR (dung trong)) van thanh lap.
• Adding a wildcard symbol may retrieve word variants: so thiet tach - thanh thuong tuong ((trong cong) or (dung trong)) van thanh lap*.