Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
hong yeon » dong myeon, jeong yeon, hong seo
test 4.2 » test 3.2, test 4.3, test 4.4
min hong » amin hong, tin hong, min hyoung
ban zi » yan zi
ban ji » pan ji, san ji
test 4 » test _

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: ((wang wang) OR (wang yang)) ((ban zi) OR (ban ji)) ((test 4.2) OR (test 4)) min hong yeon ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) or (wang yang)) ((ban zi) OR (ban ji)) ((test 4.2) or (test 4)) min hong yeon ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) or (wang yang)) ((ban zi) OR (ban ji)) ((test 4.2) or (test 4)) min hong yeon ;*.