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
dong yang » dong hoang, yang yang, dan yang
wang yang » wang yan, wang liang, wang yanling
congo shu » cong shu
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((dong yang) OR (wang yang))) or (dong sin)) ya hua parent training cost congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong yang) OR (wang yang))) OR (dong sin)) ya hua parent training cost congo shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dong yang) OR (wang yang))) or (dong sin)) ya hua parent training cost congo shu ;*".