Perhaps you should try some spelling variations:
dauer iii » paper iii, baker iii, dauer ist
iii usage » api usage, ids usage, iii use
usage mer » usage de, usage des
14 dauer » 4 dauer, c dauer, ff dauer
yang jui » yang judy, yang yi
yang xi » yang yi
mer la » mere la, per la, mer le
dong » doing, long, done

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: dong 14 dauer iii usage mer la ((yang xi) OR (((yang di) OR (yang jui)))) ;~.
• Adding a wildcard symbol may retrieve word variants: dong 14 dauer iii usage mer la ((yang xi) or (((yang di) or (yang jui)))) ;*.