Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
cong hoan » cong hoa, dong hoa, cong san
cua tong » cua cong, cua dong, cua nong
hoan van » hoang van, hoa van, doan van
van ca » van cau, van cua, dan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien anh)) - hanh tranh cua tong cong hoan van ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - hanh tranh cua tong cong hoan van ca*.