Perhaps you should try some spelling variations:
challenges min » challenges m, challenges making, challenges moving
min hyoung » min hong, mun young
hyoung hai » hong hai
a current » 3 current, 2 current, 1 current
wang yang » wang yan, wang liang, wang yanling
wong yue » wang yue, hong yu
yang xi » yang di, yang yi, yang jui
yue a » yu a, yue _

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yang) or (yang xi))wong yue a current challenges min hyoung hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (yang xi))wong yue a current challenges min hyoung hai ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (yang xi))wong yue a current challenges min hyoung hai ;*.