Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
yan liang » yang liang, wang liang, you liang
hui yang » hui ying, du yang, h yang
wei yang » pei yang, wei wang, wei yang's
2 longer » _ longer, a longer, 2 langere
3 longer » _ longer, 3 langer, a longer
tan hua » tuan hua, wang hua, tan chia

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 ((hui yang) or (wei yang)) ((2 longer) OR (3 longer)) do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yang guang)) tan hua ((hui yang) OR (wei yang)) ((2 longer) OR (3 longer)) do ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (yang guang)) tan hua ((hui yang) or (wei yang)) ((2 longer) OR (3 longer)) do ;*".