Perhaps you should try some spelling variations:
yan tuan » yan guan, yan yuan, anh tuan
hua gain » heat gain, run gain, hua ban
yang jin » yang jie, yang jun, ying jin
pang jun » yang jui
nan yan » nan ya, wang yan, qian yan
yang li » yang lin, yang di, yang xi
wang » wing, wan, lang
haul » hall, paul, hail

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan tuan) or (nan yan)) hua gain ((((yang li) or (yang jin))) or (pang jun)) long haul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan tuan) OR (nan yan)) hua gain ((((yang li) OR (yang jin))) OR (pang jun)) long haul ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yan tuan) or (nan yan)) hua gain ((((yang li) or (yang jin))) or (pang jun)) long haul ;*.