Perhaps you should try some spelling variations:
david chan » david ching, david cohen
chan neng » chan eng, chan weng, chan heng
yuan ong » yuan dong, yuan cong, yuan hong
de david » dye david, dee david, die david
neng yan » teng yan, leng yan, heng yan
san wen » tan wen
yan xi » yuan xi, yan xia, yan li
ji san » ji suan, di san, ci san
de ji » de yi, de li

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( yuan ong hui de david chan neng yan xi. ) OR ( yuan ong hui de ji san wen da xi. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( yuan ong hui de david chan neng yan xi. ) OR ( yuan ong hui de ji san wen da xi. ))".
• Adding a wildcard symbol may retrieve word variants: (( yuan ong hui de david chan neng yan xi. ) OR ( yuan ong hui de ji san wen da xi. ))*.