Perhaps you should try some spelling variations:
changes made » changes a, changes due
chang tan » chang ha, chang mae, hong tan
rene wang » wen wang
hua rene » hua ren, juan rene
wang lin » wang li, wang qin, yang lin
lin hong » tin hong, lin zong, min hong
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan ((chang tan) or (changes made)) hua rene wang lin hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan ((chang tan) OR (changes made)) hua rene wang lin hong yu ;.
• Adding a wildcard symbol may retrieve word variants: yuan ((chang tan) or (changes made)) hua rene wang lin hong yu ;*.