Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
van thanh » ban thanh, van tuan
ho thiet » hoc thiet, hoa thiet, so thiet
cua dung » cua dang, cua dong, qua dung
van toan » van tuan, van tan, manh toan

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 cua dung cong ((van toan) or (van thanh)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - hanh trinh cua dung cong ((van toan) OR (van thanh)) ban.
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - hanh trinh cua dung cong ((van toan) or (van thanh)) ban*.