Perhaps you should try some spelling variations:
states using » states during, rates using, estimates using
small states » small scale
take small » take all, takes all, wave small
ying chang » jin chang, yi chang, yin hang
yang take » land take, can take
using dhm » using dem, using ddms, using dhcp
yu fang » yu gang, yu wang, yu yang

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: ((ying chang) OR (yu fang)) yang take small states using dhm bei ;~.
• Adding a wildcard symbol may retrieve word variants: ((ying chang) or (yu fang)) yang take small states using dhm bei ;*.