Perhaps you should try some spelling variations:
hyoung hai » hong hai
wang yang » wang yan, wang liang, wang yanling
5 present » _ present, 2 present, a present
3 present » _ present
1 hyoung » _ young, a young, 3 young
yang xi » yang di, yang yi, yang jui
ng ye » ng yew, ong ye

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))ng ye ((5 present) or (3 present)) challenges 1 hyoung hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (yang xi))ng ye ((5 present) OR (3 present)) challenges 1 hyoung hai ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (yang xi))ng ye ((5 present) or (3 present)) challenges 1 hyoung hai ;*.