Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
qian congo » qian rong
yang qian » yang qixian, wang qiao, yang fan
cheng wei » chen wei, cheng hei, cheng siwei
yu cheng » yu chen, _ cheng
wei qian » wei qiang, ji qian, wei bin
congo a » congo _, congo 1, congo 2

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: (wan OR lang) ((((yang qian) OR (yang liang))) OR (yang dean)) yu cheng wei qian congo a ;~.
• Adding a wildcard symbol may retrieve word variants: (wan or lang) ((((yang qian) or (yang liang))) or (yang dean)) yu cheng wei qian congo a ;*.