Perhaps you should try some spelling variations:
gender class » gender biases, gender bias
class state » class share
wang liang » wang yang
liang chen » liang choon, chang chen, kang chen
state bane » state bank, state banks, state based
bane saul » bance paul
chen a » chen _, chen e, chen y

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang chen a gender class state bane saul ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang chen a gender class state bane saul ;*.