Perhaps you should try some spelling variations:
truong thanh » truong tran, tran thanh, truong xuan
jillian jane » jillian clare, millian kang
ann jillian » gann william
cheng zhang » cheng han, zhen zhang, china zhang
luong thanh » long thanh
chen zheng » chen zhen, chen aizheng, chen zhe
zhang ping » zhang ming, zhang jing, zhang ting

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

• Performing a fuzzy search may retrieve terms with similar spellings: ann jillian jane ((cheng zhang) or (chen zheng)) zhang ping ((luong thanh) OR (truong thanh)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ann jillian jane ((cheng zhang) OR (chen zheng)) zhang ping ((luong thanh) OR (truong thanh)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ann jillian jane ((cheng zhang) or (chen zheng)) zhang ping ((luong thanh) OR (truong thanh)) ;".
• Adding a wildcard symbol may retrieve word variants: ann jillian jane ((cheng zhang) or (chen zheng)) zhang ping ((luong thanh) OR (truong thanh)) ;*.