Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu sang » chieu sach, chieu xanh, nhieu tang
quan trong » gian trong
hieu lang » hieu quang, nhieu tang, hieu van
san thanh » ban thanh, van thanh, son thanh
thanh lap » thanh san, phan lap, thanh hai
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((chieu sang) OR (hieu lang))) or (chinh sach)) - thanh thong quan trong cong san thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (hieu lang))) OR (chinh sach)) - thanh thong quan trong cong san thanh lap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu sang) OR (hieu lang))) or (chinh sach)) - thanh thong quan trong cong san thanh lap*".