Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
yang mind » yang cindy, yang jin, sang minh
shang hai » shang kai, dang hai, chang ha
yuan kai » yuan fei, tan kai, yuan hui
chai tan » chai tam, chai onn
tan yang » dan yang, tan ying, tan yong
long tan » hong tan, long han, long thanh

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 ((yuan kai) OR (yuan kang)) chai tan yang mind ((shang hai) OR (long tan)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yuan kai) OR (yuan kang)) chai tan yang mind ((shang hai) or (long tan)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yuan kai) OR (yuan kang)) chai tan yang mind ((shang hai) or (long tan)) ;*.