Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
hien manh » hien hanh, hieu manh, hien nhanh
tien manh » tien anh, tien thanh, tieng anh
trinh hoa » trinh do, trinh han
lang song » nang song, bang song, lang son
hoa lang » hoa dan, hoa van
song dan » song danh, song van, cong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien manh) OR (tien manh)) - canh trinh hoa lang song dan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien manh) OR (tien manh)) - canh trinh hoa lang song dan phan cau*".