Perhaps you should try some spelling variations:
parent training » talent training, market training, strength training
training cost » training costs, training course, training courses
hua parent » a parent
cost congo » cost control
congo shu » cong shu
dong nan » dong yang, dong sin, dong bin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong nan) or (dong (sin or sign))) ya hua parent training cost congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong nan) OR (dong (sin OR sign))) ya hua parent training cost congo shu ;*.