Perhaps you should try some spelling variations:
ying yang » yang yang, yin yang, ying chang
land take » land taxes, land tax
all scale » all scales, small scale, full scale
using dhm » using ddms, using dhcp, using ahp
using dem » using dea, using deep, using ddms
take all » takes all, take a
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 yang) OR (yu fang)) land take all scale ((using dhm) OR (using dem)) bei ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ying yang) or (yu fang)) land take all scale ((using dhm) OR (using dem)) bei ;~".
• Adding a wildcard symbol may retrieve word variants: ((ying yang) or (yu fang)) land take all scale ((using dhm) OR (using dem)) bei ;*.