Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang wang » yang yang, yan wang, yang guang
api test » i test, ii test
ying jin » yang jin, jing ji, yang jie
wong yue » wang yue, hong yu
ai test » i test, ii test, ein test
yang li » yang lin, yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang wang ((api test) OR (ai test)) ((ying jin) or (yang li)) wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang wang ((api test) OR (ai test)) ((ying jin) OR (yang li)) wong yue ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang wang ((api test) OR (ai test)) ((ying jin) or (yang li)) wong yue ;".
• Adding a wildcard symbol may retrieve word variants: wang yang wang ((api test) OR (ai test)) ((ying jin) or (yang li)) wong yue ;*.