Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
dung cong » dung trong
chu sang » chu bang, thu sang, chuc nang
dong cua » dung cua, cong cua, huong cua
cua dung » cua dang, cua dong, qua dung
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 (chieu sang)) - van dong cua dung cong dan than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sang) OR (chieu sang)) - van dong cua dung cong dan than tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sang) OR (chieu sang)) - van dong cua dung cong dan than tap*.