Perhaps you should try some spelling variations:
tien trinh » tien thinh, bien tinh, tien thanh
tranh xuan » tran xuan, tranh luan, thanh xuan
xuan nang » luan nang, xuan hoang, van nang
song dan » song danh, song van, cong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
tinh » dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((trieu (tinh or kinh)) or (tien trinh)) - canh tranh xuan nang song dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((trieu (tinh OR kinh)) OR (tien trinh)) - canh tranh xuan nang song dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((trieu (tinh or kinh)) or (tien trinh)) - canh tranh xuan nang song dan toan cau*.