Perhaps you should try some spelling variations:
nhan dang » nhan dan, phan dang, tran dang
dung cong » dung trong
cua tinh » va tinh, ha tinh, hoa tinh
cua sinh » hoa sinh, va sinh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap
dang va » dang van, dang vat, hang va
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((cua tinh) or (cua sinh)) - nhan dang va dung cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((cua tinh) OR (cua sinh)) - nhan dang va dung cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: theo ((cua tinh) or (cua sinh)) - nhan dang va dung cong dan than tap*.