Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thuong su » thong su, thuong nhu, thuong quy
chung van » phung van, nhung van, cung van
chung han » chung nhan, chung than, chuong han
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) OR (chieu sach)) - thanh thuong su dung ((chung van) or (chung han)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu sach)) - thanh thuong su dung ((chung van) OR (chung han)) phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (chieu sach)) - thanh thuong su dung ((chung van) or (chung han)) phan cac".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (chieu sach)) - thanh thuong su dung ((chung van) or (chung han)) phan cac*.