Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
thanh bac » nhanh bac, thanh san, thanh hai
thanh bai » thanh hai, thanh tai, thanh oai
cong dan » cong san, cong tan, huong dan
tung va » trung va, tuong va, dung va

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 (chieu sach)) - thanh tung va nhung cong dan ((thanh bac) OR (thanh bai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - thanh tung va nhung cong dan ((thanh bac) OR (thanh bai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chieu sach)) - thanh tung va nhung cong dan ((thanh bac) OR (thanh bai))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu sach)) - thanh tung va nhung cong dan ((thanh bac) OR (thanh bai))*.