Perhaps you should try some spelling variations:
human gender » bhutan gender, german gender, human genome
human gene » human genome, human bone, human genetic
wang yang » wang yan, wang liang, wang yanling
bank line » bank long, bank linkage, bank license
duong van » cong van, duong anh
yang 3 » yang _, yang 8, gang 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang 3 ((human gene) OR (human gender)) bank line ((cong shu) or (duong van)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang 3 ((human gene) OR (human gender)) bank line ((cong shu) OR (duong van)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang 3 ((human gene) OR (human gender)) bank line ((cong shu) or (duong van)) ;*".