Perhaps you should try some spelling variations:
waste handling » data handling
wang handling » wang yanling, cargo handling, data handling
ren yang » ren yan, chen yang, dan yang
yang jin » yang jie, yang jun, ying jin
jin hong » tin hong, jin song, min hong
hong hai » shang hai, zhong tai, dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang handling) OR (waste handling)) ((ya hua) or (wang hua)) ren yang jin hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang handling) OR (waste handling)) ((ya hua) OR (wang hua)) ren yang jin hong hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang handling) OR (waste handling)) ((ya hua) or (wang hua)) ren yang jin hong hai ;*".