Perhaps you should try some spelling variations:
wang handling » wang yanling, cargo handling, waste handling
seung yeon » jeong yeon, seung joon, seung won
wang yang » wang yan, wang liang, wang yanling
lin seung » lee seung, lin meng
hua rene » hua ren, juan rene
yang lin » yang jin, wang lin, yang li

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) or (wang handling)) ya hua rene yang lin seung yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (wang handling)) ya hua rene yang lin seung yeon ;*.