Perhaps you should try some spelling variations:
dong hoang » hong hong
hoang yang » huang yang, wang yang, yang yang
how making » how taking, how mapping, how meaning
seung yeon » jeong yeon, seung joon, seung youn
seung won » seung joon, seung youn, myung won
due debt » does debt, run debt, do debt
pure » pre

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong hoang yang ((due debt) OR (pure debt)) how making ((seung yeon) or (seung won)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong hoang yang ((due debt) OR (pure debt)) how making ((seung yeon) OR (seung won)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong hoang yang ((due debt) OR (pure debt)) how making ((seung yeon) or (seung won)) ;*".