Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
cong thanh » dong thanh, cong trinh, cong tan
tieu sach » chieu sach, dien sach, te sach
thi nhung » thi nang, thi hong, thi huong
cong manh » cong danh, duong manh, hoang manh
dong thi » duong thi, dang thi, dong tai
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - nhanh dong thi nhung ((cong manh) or (cong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - nhanh dong thi nhung ((cong manh) OR (cong thanh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - nhanh dong thi nhung ((cong manh) or (cong thanh)) toan cao*.