Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
nhung cong » dung cong, thong cong, hang cong
tranh va » tranh van, trang va, trinh va
cong tan » cong tac, cong san, cong thanh
tan pham » tuan pham, san pham, tac pham
pham can » pham van, pham lan, pham ca

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 xanh)) - canh tranh va nhung cong tan pham can~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - canh tranh va nhung cong tan pham can".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - canh tranh va nhung cong tan pham can*.