Perhaps you should try some spelling variations:
5.2.2 longer » 5.2.2 younger, 5.2.2 long, 5.2.2 blocher
yang 5.2.2 » fang 5.2.3, making 5.2.2
yang liang » wang liang, yan liang, yang yang
longer do » longer _, longer a, long do
yan guan » gan guan, yan yuan, yang guang
tan puay » tan hua
tuan hua » tan hua, tuan vu, yuan hui

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: ((yang liang) OR (yan guan)) ((tan puay) OR (tuan hua)) du yang 5.2.2 longer do ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yan guan)) ((tan puay) or (tuan hua)) du yang 5.2.2 longer do ;*.