Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
yan liang » yang liang, wang liang, you liang
yan guan » gan guan, yan yuan, yihan guan
yang jun » yang jui, pang jun, yang jin
long shu » cong shu, tong shui, long du
yan hua » tan hua, ya hua, wang hua
hua pei » hua wei

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 (((yan guan) OR (yang guang)))) yan hua pei ((yang di) or (yang jun)) long shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (((yan guan) OR (yang guang)))) yan hua pei ((yang di) OR (yang jun)) long shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (((yan guan) OR (yang guang)))) yan hua pei ((yang di) or (yang jun)) long shu ;".
• Adding a wildcard symbol may retrieve word variants: ((yan liang) or (((yan guan) OR (yang guang)))) yan hua pei ((yang di) or (yang jun)) long shu ;*.