Perhaps you should try some spelling variations:
liangzhi zhi » liang zhi
data state » data states, delta state, data rate
data daten » data latent, data data, data rates
song ming » song bing, song min, gong min
want you » what you
zhi cost » ii cost
data kai » data ki, data kate, data kit

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

• If you are trying to use Boolean operators, they must be ALL CAPS: want you liangzhi zhi cost ((data kai) OR (((data state) OR (data daten)))) song ming ;~.
• Adding a wildcard symbol may retrieve word variants: want you liangzhi zhi cost ((data kai) or (((data state) or (data daten)))) song ming ;*.