Perhaps you should try some spelling variations:
park david » parker david, clarke david, market david
mark david » mare davide, parker david
young ghi » young choi, hong ghi, young get
lang dan » liang dan, lang lang, king dan
wang dan » wang yan, wang ban, wang yidan
yang i » yang di, yang xi, yang yi
i gene » _ gene, a gene, e gene

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((lang dan) OR (wang dan)) yang i gene ((park david) OR (mark david)) young ghi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang dan) OR (wang dan)) yang i gene ((park david) or (mark david)) young ghi ;~".
• Adding a wildcard symbol may retrieve word variants: ((lang dan) OR (wang dan)) yang i gene ((park david) or (mark david)) young ghi ;*.