Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan dana » dan dana, fidan ana
chin chang » china chang, chain change, china zhang
wang wang » wang yang, wang liang, wang yan
dana chin » dan china
kong heng » kong hang, kong hong, dong sheng
hong ng » hong kong, hong jong, hong hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang yidan dana chin chang ((hong ng) or (kong heng)) yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yidan dana chin chang ((hong ng) OR (kong heng)) yu ;*.