Perhaps you should try some spelling variations:
ensuring data » assuring data, lecturing data, ensuring a
sensing data » missing data, using data
stand doing » start doing
ying chang » jin chang, yi chang, yin hang
wei stand » we stand, der stand, wei shang
wang wei » zhang wei, wang zhi
yi yang » yin yang, yi gang, yu yang

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: ((ying chang) OR (yi yang)) wang wei stand doing ((ensuring data) OR (sensing data)) bin ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ying chang) or (yi yang)) wang wei stand doing ((ensuring data) OR (sensing data)) bin ;~".
• Adding a wildcard symbol may retrieve word variants: ((ying chang) or (yi yang)) wang wei stand doing ((ensuring data) OR (sensing data)) bin ;*.