Perhaps you should try some spelling variations:
smoking during » making during, sharing during
coping during » coatings during, loading during, being during
ying chang » jin chang, yi chang, yin hang
data bias » data base, data big, dataset bias
we stand » _ stand
yu fang » yu gang, yu wang, yu yang
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 fang)) yang we stand ((coping during) OR (smoking during)) data bias ;~.
• Adding a wildcard symbol may retrieve word variants: ((ying chang) or (yu fang)) yang we stand ((coping during) or (smoking during)) data bias ;*.