Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, chin chang
zhang soon » chang soon
yang yang » wang yang, wang yan
tan yang » dan yang, tan yong, tao yang
tan ying » fan ying, ran ying, tan yong
wang yue » wong yue, wang hua, wang yan
3 china » 2 china, 4 china, 3 china's
yang xi » yang di, yang yi, yang jui

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

• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((((tan yang) OR (tan ying))) OR (yang yang)) 3 china zhang soon ((wang yue) OR (yang xi)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((((tan yang) OR (tan ying))) or (yang yang)) 3 china zhang soon ((wang yue) or (yang xi)) ;~".
• Adding a wildcard symbol may retrieve word variants: lang ((((tan yang) OR (tan ying))) or (yang yang)) 3 china zhang soon ((wang yue) or (yang xi)) ;*.