Perhaps you should try some spelling variations:
chang chang » change change, chang chen, chang chuan
chang soon » chang won, chin soon, chang gordon
wang wang » wang yang, wang liang, wang yan
hong hai » shang hai, zhong tai, dang hai
hong yu » wong yue
yan yi » yang yi, tan yi, yin yi
yan zi » yan zhi, yuan zi, ban zi

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 wang ((yan yi) OR (yan zi)) chang chang soon ((hong hai) OR (hong yu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang ((yan yi) OR (yan zi)) chang chang soon ((hong hai) or (hong yu)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang wang ((yan yi) OR (yan zi)) chang chang soon ((hong hai) or (hong yu)) ;*.