Perhaps you should try some spelling variations:
david chan » david ching, david cohen
yuan seng » yuan sheng, yuan feng, yuan meng
chan wang » chang wang, zhan wang, chan weng
wang da » wang dan, cang da, wang di
san wen » tan wen
hoi de » hui de, loi de, hai de
li san » li shan, di san, ci san

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( yuan seng ((hoi de) OR (hoi ee)) david chan wang da xi. ) or ( yuan seng ((hoi de) OR (hoi ee)) li san wen da xi. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( yuan seng ((hoi de) OR (hoi ee)) david chan wang da xi. ) OR ( yuan seng ((hoi de) OR (hoi ee)) li san wen da xi. ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( yuan seng ((hoi de) OR (hoi ee)) david chan wang da xi. ) or ( yuan seng ((hoi de) OR (hoi ee)) li san wen da xi. ))*".