Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
eung hui » wang hui, eung ju, tong hui
kim eung » kim young, kim song
yang kim » yong kim, kang kim, hyung kim
pen yang » pei yang, chen yang, dan yang
dong di » dong sin
et 13 » pt 13
et 1 » pt 1, et a, e 1

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((wan or lang) yan) or (((dong yang) or (dong di)))) ((et 1) OR (et 13)) pen yang kim eung hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((wan OR lang) yan) OR (((dong yang) OR (dong di)))) ((et 1) OR (et 13)) pen yang kim eung hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((wan or lang) yan) or (((dong yang) or (dong di)))) ((et 1) OR (et 13)) pen yang kim eung hui ;*".