Perhaps you should try some spelling variations:
learning tony » learning tool, learning theory, learning tools
learning tom » learning tim, learning time, learning tool
shang hai » shang kai, dang hai, chang ha
gao ying » yao yang, fan ying, ka ying
ying jae » myung jae, ying jin
song hai » hong hai, dang hai, long han
j gao » _ gao

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: long ((learning tony) OR (learning tom)) j gao ying jae ((song hai) OR (shang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "long ((learning tony) OR (learning tom)) j gao ying jae ((song hai) or (shang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: long ((learning tony) OR (learning tom)) j gao ying jae ((song hai) or (shang hai)) ;*.