Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sach » chinh sach, chiet tach, chieu sang
luan tuong » luan luong, luat thuong, xuan truong
tuong cong » truong cong, trong cong, tong cong
anh dung » anh dong, anh huong, sach dung
cong van » cong vang, cong san, song van
ban tap » bai tap, han tap, ban tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) or (chieu sach)) - anh dung luan tuong cong van ban tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (chieu sach)) - anh dung luan tuong cong van ban tap*.