Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
yan liang » yang liang, wang liang, you liang
pei yang » hui yang, pei yun, yi yang
wei yang » wei wang, wei yang's, wei shang
tan hua » tuan hua, wang hua, tan chia
long au » long du, long haul, long run
long a » along a, long _, long 2

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)) tan hua ((pei yang) OR (wei yang)) y.c ((long a) or (long au)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yang guang)) tan hua ((pei yang) OR (wei yang)) y.c ((long a) OR (long au)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (yang guang)) tan hua ((pei yang) OR (wei yang)) y.c ((long a) or (long au)) ;*".