Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh trinh » canh tranh
dung cong » dung trong
ho thiet » hoc thiet, hoa thiet, so thiet
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van
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 - ((hanh trinh) OR (hanh chinh)) cua dung cong van toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thiet tach - ((hanh trinh) OR (hanh chinh)) cua dung cong van toan ban".
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - ((hanh trinh) OR (hanh chinh)) cua dung cong van toan ban*.