Perhaps you should try some spelling variations:
khan syed » shah syed
khan sher » han shen, than she
chan kung » chan kang, chan eng, chan fong
kung chen » kang chen, yung chen, kung chung
wang tan » wang yan, wang ban, wang dan
chen zhe » chen zhen, chen e
tan kai » tan kah, yuan kai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang tan kai ((((khan sher) or (khan syed))) or (ahsan syed)) chan kung chen zhe ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang tan kai ((((khan sher) OR (khan syed))) OR (ahsan syed)) chan kung chen zhe ;.
• Adding a wildcard symbol may retrieve word variants: wang tan kai ((((khan sher) or (khan syed))) or (ahsan syed)) chan kung chen zhe ;*.