Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chu sang » chu bang, chieu sang, chuc nang
thu sang » thu hang, thu san, thu bang
chinh va » chinh ta, chinh tai, hanh va
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sang) or (thu sang)) - hanh chinh va nhung cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sang) OR (thu sang)) - hanh chinh va nhung cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chu sang) or (thu sang)) - hanh chinh va nhung cong dan than tap*.