Perhaps you should try some spelling variations:
challenges making » challenges facing, challenges during, challenges using
4 assessment » 3 assessment
making young » making your, making housing, managing young
wang yang » wang yan, wang liang, wang yanling
young hai » young choi, young man, young a
yang yi » yang di, yang xi, yang jui
ng m » g m, n m, ng _
m 4 » am 4, im 4, lm 4

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 yi))ng m 4 assessment challenges making young hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (yang yi))ng m 4 assessment challenges making young hai ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (yang yi))ng m 4 assessment challenges making young hai ;*.