Perhaps you should try some spelling variations:
daud yang » daud wan, du yang, dan yang
daun yang » dan yang, du yang, tan yang
3 changes » 2 changes, 3 change, 4 changes
yan guan » gan guan, yan yuan, yang guang
yi yang » yin yang, yi gang, yu yang
guan m » juan m
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan guan m ((daud yang) OR (daun yang)) ((yi yang) or (3 changes)) (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan guan m ((daud yang) OR (daun yang)) ((yi yang) OR (3 changes)) (hai OR hadi) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan guan m ((daud yang) OR (daun yang)) ((yi yang) or (3 changes)) (hai or hadi) ;*".