Perhaps you should try some spelling variations:
huang ting » huang jing, huang ying, huang bin
yang yang » wang yang, wang yan
dan yang » daun yang, tan yang, wang yang
wang hui » wang hua, wang zhi, wang wei
hui test » ai test, api test, i test
wong yue » wang yue
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: ((dan yang) or (yang yang)) wang hui test ((huang ting) or (yang li)) ((hong yu) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dan yang) OR (yang yang)) wang hui test ((huang ting) OR (yang li)) ((hong yu) OR (wong yue)) ;.
• Adding a wildcard symbol may retrieve word variants: ((dan yang) or (yang yang)) wang hui test ((huang ting) or (yang li)) ((hong yu) or (wong yue)) ;*.