Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
tong shui » tong hui, cong shu, gong hui
parent a » parent _, parent ͳ
jiu tong » jiu cong, jiao tong, liu yong
yang yi » yang di, yang xi, yang jui
brent z » brent b, brent d, brent a
yi hua » li hua, ya hua, yi hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang yang yi hua ((parent a) or (brent z)) jiu tong shui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang yi hua ((parent a) OR (brent z)) jiu tong shui ;.
• Adding a wildcard symbol may retrieve word variants: yang yang yi hua ((parent a) or (brent z)) jiu tong shui ;*.