Perhaps you should try some spelling variations:
juan meng » juan rene, jui meng, yuan ming
meng ying » meng xin, peng yeng
yan wang » yuan wang, yang yang, qian wang
ying jie » yang jie, ying jin, jing ji
song sar » kong sar, using sar, song so
song pae » song ze
yan san » yan clan, yan guan, yan yuan

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: wang ((yan san) OR (yan wang)) juan meng ying jie ((song sar) OR (song pae)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan san) OR (yan wang)) juan meng ying jie ((song sar) or (song pae)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan san) OR (yan wang)) juan meng ying jie ((song sar) or (song pae)) ;*.