Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
wang yang » wang yan, wang liang, wang yanling
john song » john wong, john bonn, john ngosong
yan guan » gan guan, yan yuan, yihan guan
ren king » oven king
ren weng » den weg
song sam » wong sam, kong sar, song pae

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((((yang guang) or (wang yang))) or (yan guan)) hua ((ren king) OR (ren weng)) john song sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((((yang guang) OR (wang yang))) OR (yan guan)) hua ((ren king) OR (ren weng)) john song sam ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((((yang guang) or (wang yang))) or (yan guan)) hua ((ren king) OR (ren weng)) john song sam ;".
• Adding a wildcard symbol may retrieve word variants: lang ((((yang guang) or (wang yang))) or (yan guan)) hua ((ren king) OR (ren weng)) john song sam ;*.