Perhaps you should try some spelling variations:
gender lens » gender class, gender blind
yang liang » wang liang, yan liang, peng liang
lens china » loans china, leases china
yang yang » wang yang, wang yan
china one » china money, china over
one all » one small
jan 2 » jan m, jan c, jan j

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang liang) or (yang yang)) jan 2 gender lens china one all ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang yang)) jan 2 gender lens china one all ;.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang yang)) jan 2 gender lens china one all ;*.