Perhaps you should try some spelling variations:
baldock david » bullock david, brock david, caldow david
black david » brock david, blanc david, bullock david
mark david » mare davide, parker david
lang tan » liang tan, lang lang, tang tang
tan yang » dan yang, tan ying, tan yong
yang 1 » yang _, yang 8, yang 4
1 gene » 11 gene, a1 gene, l1 gene
choi » chi, cho

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 tan yang 1 gene ((((black david) OR (baldock david))) OR (mark david)) young choi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang tan yang 1 gene ((((black david) OR (baldock david))) or (mark david)) young choi ;~".
• Adding a wildcard symbol may retrieve word variants: lang tan yang 1 gene ((((black david) OR (baldock david))) or (mark david)) young choi ;*.