Perhaps you should try some spelling variations:
using change » using exchange, putting change, sensing change
yulan using » plan using
wang liang » wang yang
chen yulan » chen yugang, chen yulu, chen yun
yang jui » yang judy, yang yi
nta chen » ta chen, a chen, hua chen
change 2 » change 1, change 3, change 4
yang xi » yang yi
leo a » leo f, ceo a, leo _

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) or (yang xi))) or (((yang jui) or (yang di))))leo a nta chen yulan using change 2 ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang liang) OR (yang xi))) OR (((yang jui) OR (yang di))))leo a nta chen yulan using change 2 ;.
• Adding a wildcard symbol may retrieve word variants: ((((wang liang) or (yang xi))) or (((yang jui) or (yang di))))leo a nta chen yulan using change 2 ;*.