Perhaps you should try some spelling variations:
long trinh » long trip, long thanh
trinh tan » trinh xuan, trinh anh, tin tan
jun song » yun song, hyun song, john song
jin song » jie song, john song, kim song
yan zhi » wang zhi
tan li » tang li, tian li, gan li
yan zi » yuan zi, ban zi

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

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