Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
things era » things here, things were, things a
wang yang » wang yan, wang liang, wang yanling
guang 3.2 » zwang 3.2
dong sind » dong sin, dong bin, dong ping
dan yang » daun yang, tan yang, yang yang
smart » start

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang guang 3.2 smart things era ((dan yang) or (dong sind)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang guang 3.2 smart things era ((dan yang) OR (dong sind)) ;*.