Perhaps you should try some spelling variations:
doanh doanh » doanh hoan, doanh thanh, dong doanh
trinh hoang » trinh hoan, minh hoang, trinh han
thiet tach » chiet tach, thien hach, thuat tach
qua trinh » qua kinh
hoang van » hang va
ho thiet » hoc thiet, hoa thiet, so thiet
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thiet tach - ((doanh doanh) or (toan doanh)) qua trinh hoang van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - ((doanh doanh) OR (toan doanh)) qua trinh hoang van toan ban.
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - ((doanh doanh) or (toan doanh)) qua trinh hoang van toan ban*.