Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guan » yang guang, yan guan, yang dean
dang haji » dang hai, dato haji
wei yang » pei yang, wei wang, wei yang's
guan hua » tuan hua, gui hua, tan hua
hua gain » heat gain, run gain, hua ban
jing ji » ying jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wei yang guan hua gain ((((yang liang) or (wang qiao))) or (jing ji)) dang haji ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wei yang guan hua gain ((((yang liang) OR (wang qiao))) OR (jing ji)) dang haji ;.
• Adding a wildcard symbol may retrieve word variants: wei yang guan hua gain ((((yang liang) or (wang qiao))) or (jing ji)) dang haji ;*.