Perhaps you should try some spelling variations:
und ruckzug » und ruckgang
ruckzug des » ruckzug als, ruckgang des
realen line » real line
des realen » der realen
shang kai » shang hai
gang und » lang und, zugang und, zwang und
wong yue » wang yue, hong yu
line li » line hi, line log, line pll

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: gang und ruckzug des realen line li ((shang kai) OR (wong yue)) ;~.
• Adding a wildcard symbol may retrieve word variants: gang und ruckzug des realen line li ((shang kai) or (wong yue)) ;*.