Perhaps you should try some spelling variations:
china chang » chin chang, china zhang, china changqi
shen chang » when change, chin chang, han chang
soon heng » soon beng, soon seng, soon ang
lang yan » wang yan, wang yang, zhang yan
yan wang » yuan wang, yang yang, qian wang
heng yu » zheng yu, heng fu, hong yu

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan wang hua ((china chang) or (shen chang)) soon heng yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan wang hua ((china chang) OR (shen chang)) soon heng yu ;.
• Adding a wildcard symbol may retrieve word variants: lang yan wang hua ((china chang) or (shen chang)) soon heng yu ;*.