Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
qian yang » qian yan, qian wang, qian rong
yang yang » wang yang, wang yan
long paul » long haul, hong paul, long call
long tail » long haul
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 yang yang ((zhi qing) or (he qing)) long thanh ((long paul) OR (long tail)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian yang yang ((zhi qing) OR (he qing)) long thanh ((long paul) OR (long tail)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yang yang ((zhi qing) or (he qing)) long thanh ((long paul) OR (long tail)) ;*".