Perhaps you should try some spelling variations:
challenges mun » challenges m, challenges 1, challenges 3
wang liang » wang yang
3 current » 3 concurrent
wong yue » wang yue, hong yu
young a » young _, young 4, young 6
young 5 » young _, young 4, young 6
yue 3 » vue 3, yue _
yang » 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 liang) or (yang di))wong yue 3 current challenges mun ((young a) OR (young 5)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang liang) OR (yang di))wong yue 3 current challenges mun ((young a) OR (young 5)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang liang) or (yang di))wong yue 3 current challenges mun ((young a) OR (young 5)) ;".
• Adding a wildcard symbol may retrieve word variants: ((wang liang) or (yang di))wong yue 3 current challenges mun ((young a) OR (young 5)) ;*.