Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh tuong » thanh tung, thanh huong, thanh cuong
chieu sach » chinh sach, chiet tach, chieu sang
cong quang » luong quang, thong quang, duong quang
cong cong » cong dong, trong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
phan lap » phan dau

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 sach - ((thanh tuong) OR (thanh thuong)) cua cong ((cong quang) or (cong cong)) phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh tuong) OR (thanh thuong)) cua cong ((cong quang) OR (cong cong)) phan lap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((thanh tuong) OR (thanh thuong)) cua cong ((cong quang) or (cong cong)) phan lap*".