Perhaps you should try some spelling variations:
yang liang » wang liang, yang yang, peng liang
data gain » data main, data going, data gaps
yan liang » wang liang, you liang, yan wang
shang hai » shang kai, dang hai, chang ha
wenn das » wenn die
can data » can tata, dan data, fan data
yang jie » yang jin, yang jui, yang xi
das can » das clan, ideas can, das cafe

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

• Performing a fuzzy search may retrieve terms with similar spellings: wenn das can data gain ((((yang liang) OR (yan liang))) or (((yang jie) or (yang di)))) shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wenn das can data gain ((((yang liang) OR (yan liang))) OR (((yang jie) OR (yang di)))) shang hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wenn das can data gain ((((yang liang) OR (yan liang))) or (((yang jie) or (yang di)))) shang hai ;".
• Adding a wildcard symbol may retrieve word variants: wenn das can data gain ((((yang liang) OR (yan liang))) or (((yang jie) or (yang di)))) shang hai ;*.