Perhaps you should try some spelling variations:
wang liang » wang yang
pei zwang » kein zwang, der zwang, dem zwang
zwang 3.2 » zwang 2.2
yan guan » gan guan, yan yuan, yang guang
tuan hua » tuan vu, yuan hui
3.2 long » 3.2 land
tan hua » tan chia, tan puay
long du » long d, long do, long run

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: ((wang liang) OR (yan guan)) ((tuan hua) OR (((tan hua) OR (wang hua)))) pei zwang 3.2 long du ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang liang) or (yan guan)) ((tuan hua) or (((tan hua) OR (wang hua)))) pei zwang 3.2 long du ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang liang) or (yan guan)) ((tuan hua) or (((tan hua) OR (wang hua)))) pei zwang 3.2 long du ;*.