Perhaps you should try some spelling variations:
yanling zhang » anming zhang
jeang yean » jeong yeon
data test » data tell
dai test » ai test, davis test, api test
law main » law pain, law making, new main
kan min » han min, kian ming, kyaw min
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling zhang ((dai test) OR (data test)) ((law main) or (kan min)) jeang yean ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling zhang ((dai test) OR (data test)) ((law main) OR (kan min)) jeang yean ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling zhang ((dai test) OR (data test)) ((law main) or (kan min)) jeang yean ;*".