Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan
yang liang » wang liang, yan liang, yang yang
chih zhang » chih hang, china zhang, chin chang
zhang cong » zhang hong, zheng cong, zhang ming
zhang rong » zheng rong, zhang hong, zhang ming
jing chih » lin chih, king chi

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 (yang liang)) jing chih zhang ((zhang cong) OR (zhang rong)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((yang guang) OR (yang liang)) jing chih zhang ((zhang cong) OR (zhang rong)) shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((yang guang) or (yang liang)) jing chih zhang ((zhang cong) OR (zhang rong)) shu ;*".