Perhaps you should try some spelling variations:
making mainline » making mining
rent making » grant making, treaty making, rent seeking
wing ian » twinn ian
ian yang » wang yang, yang yang, yao yang
yang hua » wang hua, yang jui, wang hui
wong sau » kong sar
hong » long

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing ian yang hua rent making mainline ((wong sau) or (hong seo)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing ian yang hua rent making mainline ((wong sau) OR (hong seo)) ;.
• Adding a wildcard symbol may retrieve word variants: wing ian yang hua rent making mainline ((wong sau) or (hong seo)) ;*.