Perhaps you should try some spelling variations:
thirty adding » thing adding
first thirty » first third, first birth, first things
adding doing » talking doing
doing von » doing un, ing von
lang yan » wang yan, wang yang, zhang yan
yang ii » 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.

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan ((yang ii) or (yang xi)) first thirty adding doing von ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan ((yang ii) OR (yang xi)) first thirty adding doing von ;.
• Adding a wildcard symbol may retrieve word variants: lang yan ((yang ii) or (yang xi)) first thirty adding doing von ;*.