Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
nho chieu » ho chieu, nho hieu, theo chieu
truong va » truong cao, truong dao, luong 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: nho chieu sang - thanh ((truong va) or (truong dai)) thong cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho chieu sang - thanh ((truong va) OR (truong dai)) thong cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: nho chieu sang - thanh ((truong va) or (truong dai)) thong cong dan than tap*.