Perhaps you should try some spelling variations:
yanling guang » yang guang
lang yanling » wang yanling, wang yangming, zhang yunling
hard things » bad things, smart things
hard thing » hardly think
guang 3.2 » zwang 3.2
wang yang » wang yan, wang liang, wang yanling
dong sign » dong sin, among sign, dong bin

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yanling guang 3.2 ((hard things) OR (hard thing)) a ((wang yang) or (dong sign)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yanling guang 3.2 ((hard things) OR (hard thing)) a ((wang yang) OR (dong sign)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yanling guang 3.2 ((hard things) OR (hard thing)) a ((wang yang) or (dong sign)) ;*".