Perhaps you should try some spelling variations:
lang yanling » wang yanling, wang yangming, zhang yunling
doing chong » ong chong, song chong, doing things
mit doing » mit undoing, gt doing, ii doing
chong suk » chong yun, cong sun, yong suk
test mit » tests mit, test city, test mmst
yang ai » yang di, yang yi, yang li
yang xi » yang di, yang yi, yang jui

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yanling ((yang ai) OR (yang xi)) test mit doing chong suk ;~".
• Adding a wildcard symbol may retrieve word variants: lang yanling ((yang ai) OR (yang xi)) test mit doing chong suk ;*.