Perhaps you should try some spelling variations:
cheng yang » chen yang, cheng zhang, chen wang
yan liang » yang liang, wang liang, you liang
yu cheng » yu chen, _ cheng
yang thi » dang thi, yang chik, yang di
thi hong » tan hong
yang li » yang lin, yang di, yang xi
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong ((yang li) or (yan liang)) yu cheng yang thi hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((yang li) OR (yan liang)) yu cheng yang thi hong yu ;.
• Adding a wildcard symbol may retrieve word variants: dong ((yang li) or (yan liang)) yu cheng yang thi hong yu ;*.