Perhaps you should try some spelling variations:
zhi parent » ii parent, iii parent, child parent
long wang » hong wang, long range, long way
wang yang » wang yan, wang liang, wang yanling
yang zhi » wang zhi, yan zhi, liang zhi
parent a » parent _, parent ͳ
cong vu » cong shu, cong sun, cong van
a minh » a mini, a mine, _ minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: long wang yang zhi parent a minh ((cong vu) or (hoang vu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long wang yang zhi parent a minh ((cong vu) OR (hoang vu)) ;.
• Adding a wildcard symbol may retrieve word variants: long wang yang zhi parent a minh ((cong vu) or (hoang vu)) ;*.