Perhaps you should try some spelling variations:
class life » class line, class lines, class lives
gong gang » hong gang, gong qiang, gongs gong
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
his class » his last
life has » life phase, life case, life a
has song » hays song, has strong, a song
shin » skin, sein, thin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((((gong gang) or (yang yang))) or (wang yang)) his class life has song shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((((gong gang) OR (yang yang))) OR (wang yang)) his class life has song shin ;.
• Adding a wildcard symbol may retrieve word variants: wang ((((gong gang) or (yang yang))) or (wang yang)) his class life has song shin ;*.