Perhaps you should try some spelling variations:
one parent » lone parents, one percent, one part
parent re » parent care, parent _, parent a
yang jing » wang jing, yang jin, huang jing
yang jun » pang jun, yang jin, yang fan
yang jui » yang xi, yang yi
re don » de don, re doing
don ce » don de, don chen

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: one parent re don ce ((yang jing) OR (yang jun)) ((yang judy) OR (((yang di) OR (yang jui)))) ;~.
• Adding a wildcard symbol may retrieve word variants: one parent re don ce ((yang jing) or (yang jun)) ((yang judy) or (((yang di) or (yang jui)))) ;*.