Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
chang soon » chin soon, chang gordon
khan sher » khan syed, than she
chang won » chang ann, chang min, chang you
han shen » can she, han en, han men
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang yang ((han shen) OR (khan sher)) ((chang soon) or (chang won)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yang ((han shen) OR (khan sher)) ((chang soon) OR (chang won)) hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yang ((han shen) OR (khan sher)) ((chang soon) or (chang won)) hong yu ;".
• Adding a wildcard symbol may retrieve word variants: wang liang yang ((han shen) OR (khan sher)) ((chang soon) or (chang won)) hong yu ;*.