Perhaps you should try some spelling variations:
estimates using » estimation using
small estimates » small states, sharp estimates, summary estimates
yang yang » wang yang, wang yan
klang die » klang der, klang iii, klaue die
die small » live small, wine small, die smart
using dhm » using dem, using ddms, using dhcp
yu yang » du yang, yi yang, yu fang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (yu yang)) klang die small estimates using dhm bei ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yu yang)) klang die small estimates using dhm bei ;*.