Perhaps you should try some spelling variations:
lang yanling » wang yanling, wang yangming, zhang yunling
yanling yang » yang yang, ying yang
davis test » davis best, david west, davis tsu
dali test » data test, ai test, api test
kit among » out among
young suk » yong suk, young eun, young oak

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yanling yang ((dali test) OR (davis test)) kit among young suk ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yanling yang ((dali test) OR (davis test)) kit among young suk ;".
• Adding a wildcard symbol may retrieve word variants: lang yanling yang ((dali test) OR (davis test)) kit among young suk ;*.