Perhaps you should try some spelling variations:
dong thanh » truong thanh
nhung dong » nhung don, nhung cong, nhung dung
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
tran tan » tran tuan, tran van, tran thanh
toan tap » toan ban
theo tu » theo tieu, theo chu, theo yeu
tu sach » thu sach, su sach, te sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tu sach - ((canh manh) OR (lanh manh)) cua nhung dong thanh ((tran tan) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tu sach - ((canh manh) OR (lanh manh)) cua nhung dong thanh ((tran tan) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tu sach - ((canh manh) OR (lanh manh)) cua nhung dong thanh ((tran tan) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo tu sach - ((canh manh) OR (lanh manh)) cua nhung dong thanh ((tran tan) or (toan tap))*.