Perhaps you should try some spelling variations:
sung qiang » sun qiang, gong qiang
qiang zhen » fang zhen
gang sung » gang und, gang gong, hung sung
yang yang » wang yang, wang yan
shang hai » shang kai, dang hai, chang ha
yang jui » yang judy, yang yi
yang xi » yang yi

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: "gang sung qiang zhen wei ((((((yang yang) OR (yang xi))) OR (yang di))) OR (yang jui)) shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: gang sung qiang zhen wei ((((((yang yang) OR (yang xi))) OR (yang di))) OR (yang jui)) shang hai ;*.