Perhaps you should try some spelling variations:
testi data » test data, testing data, aesi data
you liang » you xian, you liangzhi
data rate » data rates, data data, data related
song ming » song bing, song min, gong min
what you » what do
jong min » gong min, song min, cog min
liang i » liang li, liang _, liang wei
i testi » i test

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "what you liang i testi data rate ((jong min) OR (song ming)) ;~".
• Adding a wildcard symbol may retrieve word variants: what you liang i testi data rate ((jong min) OR (song ming)) ;*.