Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
tan chia » tuan china, than china, can china
chia wen » china won, ching wen, asia wen
wen yang » wei yang, wen wang, chen yang
jin cong » jin song, minh cong, jin chang
jiu cong » li cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang guang) OR (yang yang)) tan chia wen yang ((jin cong) or (jiu cong)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang guang) OR (yang yang)) tan chia wen yang ((jin cong) OR (jiu cong)) shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang guang) OR (yang yang)) tan chia wen yang ((jin cong) or (jiu cong)) shu ;*".