Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
yihan guan » yan guan
3.2 long » 3.2 land
yuan hui » yuan fei, jaan hui, tuan hua
tan puay » tan hua
yi yang » yin yang, yi gang, yu yang
long do » long d, long du, longer do
h yang » _ yang, hui yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang guang) or (yihan guan)) ((tan puay) or (yuan hui)) ((yi yang) or (h yang)) 3.2 long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang guang) OR (yihan guan)) ((tan puay) OR (yuan hui)) ((yi yang) OR (h yang)) 3.2 long do ;.
• Adding a wildcard symbol may retrieve word variants: ((yang guang) or (yihan guan)) ((tan puay) or (yuan hui)) ((yi yang) or (h yang)) 3.2 long do ;*.