Perhaps you should try some spelling variations:
yan zhang » yuan chang, bin zhang, han chang
wage yang » wage young, wage lag
yang gang » yang guang, yang yang, eoyang gang
gang sung » gang und, gang gong, hung sung
run wage » run water, non wage, can wage
sung min » song min, kyung min, sang minh
yan han » man han, kang han, yan clan
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan han) or (yan zhang)) run wage yang gang sung min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan han) OR (yan zhang)) run wage yang gang sung min ;*.