Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
dang song » nang song, dang cong, bang song
dang toan » dang tran, dung toan, dang thanh
cua dang » cua cong, cua ban
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu manh) or (chieu sang)) - hanh tranh cua dang song ((dang toan) or (dan toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (chieu sang)) - hanh tranh cua dang song ((dang toan) OR (dan toan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (chieu sang)) - hanh tranh cua dang song ((dang toan) or (dan toan)) cau*.