Perhaps you should try some spelling variations:
jeang yean » jeong yeon
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
law main » law making, new main, law made
law pain » law part, law past
yang ai » yang di, yang xi, yang yi
ai test » api test, i test, ii test

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang yang ai test ((law main) or (law pain)) jeang yean ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yang ai test ((law main) OR (law pain)) jeang yean ;*.