Perhaps you should try some spelling variations:
ching chen » china chen, ching hea, chin chin
chang chen » chang ch'un, chang chuan, change when
young john » kong john, wong john, young jean
yang john » king john, yang jin, yang jun
song sein » song shin, song jin, song min
long tin » long tip, long trinh, long time
tin tan » tan tan, tin can, wing tan

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