Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dong danh » dong doanh, dong anh, dung danh
song xanh » song hanh, hoang xanh, duong xanh
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cua nang » chua nang, cua dang, cua hang
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 chu sach - hanh tranh cua nang ((dong danh) or (song xanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - hanh tranh cua nang ((dong danh) OR (song xanh)) toan cao*.