Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
khong cang » hong bang, khong dung, thong cung
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
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: doi chieu xanh - canh tranh cua ((thong cong) OR (khong cang)) san van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh tranh cua ((thong cong) OR (khong cang)) san van ban*".