Perhaps you should try some spelling variations:
cong khong » cong thong, cong thuong, trong khong
trong tin » thong tin, trong tan, trong tieng
sach che » sach thue, sach nha, sach cap
con hong » con song, cong thong, cong cong
sach cha » sach nha, sach ha, sach cua
co trong » ro trong, cong trong, cay trong
tu sach » thu sach, su sach, te sach
my giai » ly giai, me giai, my giao
so sach » so sanh, bo sach, co sach
me gioi » me giai, ve gioi, me nguoi
gioi co » nguoi co

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu sach che my giai ((con hong) OR (cong khong)) tin ) or ( so sach cha me gioi co trong tin ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach che my giai ((con hong) OR (cong khong)) tin ) OR ( so sach cha me gioi co trong tin ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu sach che my giai ((con hong) OR (cong khong)) tin ) or ( so sach cha me gioi co trong tin ))*".