Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cau sach » cao sach, hau sach, rau sach
cong anh » cong danh, hong anh, cong thanh
dong anh » hong anh, dong thanh, hoang anh
tuan cao » toan cao, juan cao, quang cao
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: chao ((tu sach) or (cau sach)) - hanh tranh cua nhung ((cong anh) OR (dong anh)) tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((tu sach) OR (cau sach)) - hanh tranh cua nhung ((cong anh) OR (dong anh)) tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((tu sach) or (cau sach)) - hanh tranh cua nhung ((cong anh) OR (dong anh)) tuan cao".
• Adding a wildcard symbol may retrieve word variants: chao ((tu sach) or (cau sach)) - hanh tranh cua nhung ((cong anh) OR (dong anh)) tuan cao*.