Perhaps you should try some spelling variations:
quan guan » gan guan, quan guo
yan guan » gan guan, yan yuan, yang guang
3.2 long » 3.2 land
tan hua » tuan hua, wang hua, tan chia
tuan vu » thanh vu, tuan hua
yu yang » du yang, yi yang, yu fang
long du » long d, long do, long run
h yang » _ yang, hui yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((quan guan) or (yan guan)) ((tan hua) or (tuan vu)) ((yu yang) or (h yang)) 3.2 long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((quan guan) OR (yan guan)) ((tan hua) OR (tuan vu)) ((yu yang) OR (h yang)) 3.2 long du ;.
• Adding a wildcard symbol may retrieve word variants: ((quan guan) or (yan guan)) ((tan hua) or (tuan vu)) ((yu yang) or (h yang)) 3.2 long du ;*.