Perhaps you should try some spelling variations:
yang july » yang judy, yang jui, yang jun
wei wang » wei yang, wen wang, wei shang
ming hua » ying hua, ming hung, wang hua
gene one » gene clone, gene gene, none one
tan wong » tan hong, tan kong, tan yong
wong siu » wong shiu, kong siu, wong sau
gene we » gene w, gene set

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: wei wang ((ming hua) OR (yang july)) ((gene we) OR (gene one)) tan wong siu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wei wang ((ming hua) or (yang july)) ((gene we) OR (gene one)) tan wong siu ;~".
• Adding a wildcard symbol may retrieve word variants: wei wang ((ming hua) or (yang july)) ((gene we) OR (gene one)) tan wong siu ;*.