Perhaps you should try some spelling variations:
challenges during » challenges facing, changes during, challenges regarding
a assessment » 3 assessment, 4 assessment, 1 assessment
during using » during turning, carving using, during ageing
wang yang » wang yan, wang liang, wang yanling
wong yue » wang yue, hong yu
using ai » using a, using big, using _
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 assessment challenges during using ai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (yang xi))wong yue a assessment challenges during using ai ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (yang xi))wong yue a assessment challenges during using ai ;*.