Perhaps you should try some spelling variations:
china chang » chin chang, china zhang, china changqi
last china » east china, class china, last thing
die last » died last, die lasten, time last
robert i » robert _, robert j, robert a
robert e » robert _, robert j
yang xi » yang di, yang jui
yang yi » yang di, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: tan ((yang xi) or (yang yi)) die last china chang ((robert i) OR (robert e)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tan ((yang xi) OR (yang yi)) die last china chang ((robert i) OR (robert e)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tan ((yang xi) or (yang yi)) die last china chang ((robert i) OR (robert e)) ;*".