Perhaps you should try some spelling variations:
song jeong » hong jong, song chong, song seng
lang ying » liang ying, huang ying, zhang ying
ying yang » yang yang, yin yang, ying chang
der tests » des tests, der test, der trusts
jeong 情 » jeong _, jeongui 情, jeong mi
per test » der test, per cent, asr test
kit song » kim song, art song, jie song

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ying yang ((per test) or (der tests)) kit song jeong 情 ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ying yang ((per test) OR (der tests)) kit song jeong 情 ;*.