Perhaps you should try some spelling variations:
zhang robert » chang roberto, change robert, hans robert
lasten china » eastern china, western china, classes china
china zhang » china chang, cheng zhang, chin chang
die lasten » die kosten, die ersten
robert i » robert _, robert e, robert j
yang li » yang lin, yang di, yang xi
yang yi » yang di, yang xi, 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 li) or (yang yi)) die lasten china zhang robert i ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tan ((yang li) OR (yang yi)) die lasten china zhang robert i ;*.