Perhaps you should try some spelling variations:
where using » were using, when using
wan hyoung » wang hyoung, man houng, min hyoung
what where » what were
text what » get what, best what, context what
using smt » using sat, using smc, using smart
yang jie » yang jin, yang xi, yang yi
yang jui » yang judy, yang xi, yang yi

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: wan hyoung ((yang jie) OR (((yang jui) OR (yang di)))) text what where using smt ;~.
• Adding a wildcard symbol may retrieve word variants: wan hyoung ((yang jie) or (((yang jui) or (yang di)))) text what where using smt ;*.