Perhaps you should try some spelling variations:
long trinh » long trip
long thanh » luong thanh, long han, truong thanh
long paul » long haul, hong paul, long tail
qian yan » qian jun, qian yi
yan yang » yang yang, yao yang, dan yang
zhi qing » shi ding, shi ling
he qing » he ping, der qing

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

• Performing a fuzzy search may retrieve terms with similar spellings: qian yan yang ((zhi qing) or (he qing)) ((long thanh) OR (long trinh)) long paul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian yan yang ((zhi qing) OR (he qing)) ((long thanh) OR (long trinh)) long paul ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yan yang ((zhi qing) or (he qing)) ((long thanh) OR (long trinh)) long paul ;*".