Perhaps you should try some spelling variations:
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
dan yang » daun yang, tan yang, adam yang
zhi test » ai test, api test, i test
yang jin » yang jie, yang jun, ying jin
yang lin » wang lin, yang li, yang liang
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: ((((dan yang) OR (yang yang))) or (wang yang)) wang zhi test ((yang jin) or (yang lin)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dan yang) OR (yang yang))) OR (wang yang)) wang zhi test ((yang jin) OR (yang lin)) hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dan yang) OR (yang yang))) or (wang yang)) wang zhi test ((yang jin) or (yang lin)) hong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((((dan yang) OR (yang yang))) or (wang yang)) wang zhi test ((yang jin) or (yang lin)) hong yu ;*.