Perhaps you should try some spelling variations:
knn learning » snn learning, can learning, run learning
win learning » when learning, can learning, run learning
zhong tai » hong tan, hong hai, zhong zhi
ji zhong » 2 zhong, wu zhong, yu zhong
fan xin » fan xing, tan xin, frank xin
tony j » tony a, tony h
j fan » _ fan, j van, 3 fan

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: ((knn learning) OR (win learning)) tony j fan xin ji zhong tai ;~.
• Adding a wildcard symbol may retrieve word variants: ((knn learning) or (win learning)) tony j fan xin ji zhong tai ;*.