Perhaps you should try some spelling variations:
using bank » housing bank
yong ying » yirong ying, fong yin, ying yang
dong yang » dong hoang, wang yang, yang yang
ying bank » big bank, ying yang
hua gene » human gene, a gene, hua ren
using » usigng, usindg, usking
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yong ying) OR (dong yang)) hua gene ((ying bank) or (using bank)) dong sin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yong ying) OR (dong yang)) hua gene ((ying bank) OR (using bank)) dong sin ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yong ying) OR (dong yang)) hua gene ((ying bank) or (using bank)) dong sin ;*".