Perhaps you should try some spelling variations:
assuring data » ensuring data, assessing data, acquiring data
stand doing » start doing
during data » ring data, bring data, ensuring data
ying chang » jin chang, yi chang, yin hang
we stand » _ stand
yu yang » du yang, yi yang, yu fang
yang we » wang wei, yang jie, fang wei

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