Perhaps you should try some spelling variations:
wing hyoung » wang hyoung, min hyoung, hwang byoung
where using » were using, when using
best when » bent when, debt when, text when
best what » get what, best way, text what
using smt » using sat, using smc, using smart
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wing hyoung ((yang jie) OR (yang jui)) ((best when) OR (best what)) where using smt ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing hyoung ((yang jie) or (yang jui)) ((best when) OR (best what)) where using smt ;~".
• Adding a wildcard symbol may retrieve word variants: wing hyoung ((yang jie) or (yang jui)) ((best when) OR (best what)) where using smt ;*.