Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chieu xanh) OR (chieu sang)) - thanh tung cua thong cong san van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chieu xanh) OR (chieu sang)) - thanh tung cua thong cong san van ban*".