Perhaps you should try some spelling variations:
wang yangming » wang yangming's, wang yanling, wang danning
among chong » among hong, ong chong, song chong
yang data » yang dali, yang maha
ring data » using data, being data, doing data
chong suk » chong yun, cong sun, yong suk
test 4.9 » test 4.2, test 4.3, test 4.4
test 19 » test 1

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yangming ((yang data) or (ring data)) ((test 19) OR (test 4.9)) among chong suk ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yangming ((yang data) OR (ring data)) ((test 19) OR (test 4.9)) among chong suk ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yangming ((yang data) or (ring data)) ((test 19) OR (test 4.9)) among chong suk ;*".