Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
dong ping » dong sin, dong bin, dong jung
your boss » your best
data mean » data map
hyoung yu » hyoung gun, kyoung yun, hong yu
data min » data main, data man, data menu
ya your » you your, day your, eat your
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yan) or (((dong yang) or (dong ping)))) ya your boss ((data min) OR (data mean)) hyoung yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (((dong yang) OR (dong ping)))) ya your boss ((data min) OR (data mean)) hyoung yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yan) or (((dong yang) or (dong ping)))) ya your boss ((data min) OR (data mean)) hyoung yu ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (((dong yang) or (dong ping)))) ya your boss ((data min) OR (data mean)) hyoung yu ;*.