Perhaps you should try some spelling variations:
chang chuan » chung chuan, chen chuan, chang ch'un
wang yang » wang yan, wang liang, wang yanling
hoong ang » hoong chang, soon ang
yang yi » yang xi, yang jui
per law » per la, power law, poor law
1 chang » 1 change, 1 changes, 10 change
ang ha » dang hai, chang ha, eang hay
law 1 » law _, law a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wang yang) or (yang judy))) or (((yang yi) or (yang di))))per law 1 chang chuan hoong ang ha ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang yang) OR (yang judy))) OR (((yang yi) OR (yang di))))per law 1 chang chuan hoong ang ha ;.
• Adding a wildcard symbol may retrieve word variants: ((((wang yang) or (yang judy))) or (((yang yi) or (yang di))))per law 1 chang chuan hoong ang ha ;*.