Perhaps you should try some spelling variations:
zhang yan » zhang fan, zhang jian, wang yan
dong ping » dong sin, dong bin, dong jung
hour yong » hou hong, hu yong
one hour » one how, one hot
kim song » kim young, kim eung
song hui » tong hui, gong hui, sng hui
yet one » yet done, next one, belt one

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((zhang yan) or (dong ping)) yet one hour yong kim song hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((zhang yan) OR (dong ping)) yet one hour yong kim song hui ;*.