Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yan liang » yang liang, wang liang, you liang
yang yang » wang yang, wang yan
3.2 long » 3.2 land
yi yang » yin yang, yi gang, yu yang
long du » long d, long do, long run
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: ((yan liang) or (yang guang)) wang hua ((((yi yang) or (yang yang))) or (h yang)) 3.2 long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yang guang)) wang hua ((((yi yang) OR (yang yang))) OR (h yang)) 3.2 long du ;.
• Adding a wildcard symbol may retrieve word variants: ((yan liang) or (yang guang)) wang hua ((((yi yang) or (yang yang))) or (h yang)) 3.2 long du ;*.