Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thieu manh » hieu manh, trieu minh, chieu xanh
toan huong » toan thuong, doan huong, toan uong
tien manh » tien anh, tien thanh, tieng anh
tranh cua » doanh cua, manh cua
cua toan » cuu toan, xuan toan, cua thanh
dan toan » van toan, dan than, manh toan
toan cau » 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: hoc ((thieu manh) or (tien manh)) - hanh tranh cua toan huong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu manh) OR (tien manh)) - hanh tranh cua toan huong dan toan cau*.