Perhaps you should try some spelling variations:
learning tony » learning tool, learning tom, learning theory
learning tim » learning time, learning tom, learning theme
jin zhong » ji zhong, jin zhenong, jin zhesong
zhong zhi » zhang zhi, hong ghi, zhong tai
yang jin » yang jie, yang jun, ying jin
h wang » _ wang, l wang, hwa wang
x wang » _ wang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((learning tony) or (learning tim)) ((h wang) OR (x wang)) yang jin zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((learning tony) OR (learning tim)) ((h wang) OR (x wang)) yang jin zhong zhi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((learning tony) or (learning tim)) ((h wang) OR (x wang)) yang jin zhong zhi ;*".