Perhaps you should try some spelling variations:
long chain » long chemin, long grain, long han
qian wang » yiqian wang, qian rong, qian yan
gene long » gene clone, gene one
wong shiu » wong siu, cong shu, song shin
yan wang » yuan wang, yang yang, yan liang
hua gene » human gene, a gene, hua ren
ron paul » von paul, robyn paul, robin paul

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

• Performing a fuzzy search may retrieve terms with similar spellings: nan ((yan wang) OR (qian wang)) hua gene long chain ((wong shiu) or (ron paul)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan ((yan wang) OR (qian wang)) hua gene long chain ((wong shiu) OR (ron paul)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nan ((yan wang) OR (qian wang)) hua gene long chain ((wong shiu) or (ron paul)) ;".
• Adding a wildcard symbol may retrieve word variants: nan ((yan wang) OR (qian wang)) hua gene long chain ((wong shiu) or (ron paul)) ;*.