Perhaps you should try some spelling variations:
during four » using four, during after
yulu cheng » yulu chen, yu cheng, yuan cheng
cheng bing » cheng ling, cheng ming, chen ping
four dann » four main, four days
bing jin » ying jin, jing ji, yang jin
yang yun » yang jun, tang yun, yang yue
judy » july

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

• If you are trying to use Boolean operators, they must be ALL CAPS: during four dann yulu cheng bing jin ((yang yun) OR (((yang di) OR (yang judy)))) ;~.
• Adding a wildcard symbol may retrieve word variants: during four dann yulu cheng bing jin ((yang yun) or (((yang di) or (yang judy)))) ;*.