Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
guang jan » huang juan
know than » know what, know them, know when
1 gender » 2 gender, 3 gender, 2.1 gender
4 gender » 2 gender, 3 gender, 4.4 gender
low tax » flow tax, how tax, law tax
money a » money _

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang guang jan ((1 gender) OR (4 gender)) ((know than) or (low tax)) money a ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang guang jan ((1 gender) OR (4 gender)) ((know than) OR (low tax)) money a ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang guang jan ((1 gender) OR (4 gender)) ((know than) or (low tax)) money a ;".
• Adding a wildcard symbol may retrieve word variants: yang guang jan ((1 gender) OR (4 gender)) ((know than) or (low tax)) money a ;*.