Perhaps you should try some spelling variations:
parsing skill » passing skills, learning skill, raising skills
ice breaking » bic breaking, i breaking, ip breaking
down parsing » down planning, down parser
wang yang » wang yan, wang liang, wang yanling
wang all » wang wally, zwang als, wang l
yang all » yang dali, 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 ((wang all) or (yang all)) ice breaking down parsing skill ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((wang all) OR (yang all)) ice breaking down parsing skill ;*.