Perhaps you should try some spelling variations:
chuan going » chia going
going long » going wrong, going one, qing long
wang qian » wang qiao, wang liang, wang yidan
long trip » longer trip, long tail, longer trips
wang qin » wang lin, wang qiao, wang jing
rong han » long han, jeong han, kong hang
han chen » han shen, chang chen, han chang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang qian) or (wang qin)) rong han chen chuan going long trip ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang qian) OR (wang qin)) rong han chen chuan going long trip ;*.