Perhaps you should try some spelling variations:
long trinh » long trip, long thanh
ching chen » china chen, ching hea, chin chin
chang chen » chang ch'un, chang chuan, change when
yang john » young john, king john, yang jin
john song » john wong, john bonn, john ngosong
song sein » song shin, song jin, song min
long tin » long tip, long time, long tail

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((long tin) OR (long trinh)) tan ((ching chen) or (chang chen)) yang john song sein ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((long tin) OR (long trinh)) tan ((ching chen) OR (chang chen)) yang john song sein ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((long tin) OR (long trinh)) tan ((ching chen) or (chang chen)) yang john song sein ;".
• Adding a wildcard symbol may retrieve word variants: ((long tin) OR (long trinh)) tan ((ching chen) or (chang chen)) yang john song sein ;*.