Perhaps you should try some spelling variations:
wang danning » wang yanling, wang daoping, wang yangming
danning yang » manning ryann
jeong 情 » jeong _, jeongui 情, jeong mi
yang der » gang der, yang dean, klang der
der test » der tests, der text, per test
test kim » test kit, test kits, test ke
kim eung » kim young, kim song
jeong su » jeong _, jeong mi, rong su

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang danning yang der test kim eung ((jeong su) or (jeong 情)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang danning yang der test kim eung ((jeong su) OR (jeong 情)) ;*.