Perhaps you should try some spelling variations:
yang yang » wang yan
yao chuan » say chuan, hai chuan, ka chuan
wang yang » wang yan, wang liang, wang yanling
amin hong » min hong, among hong, tin hong
yang yao » wang yan, yang yi, yang fan
tan yang » dan yang, tan ying, tan yong
hong hai » shang hai, zhong tai, dang hai

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 yao chuan ((tan yang) or (wang yang)) amin hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang yao chuan ((tan yang) OR (wang yang)) amin hong hai ;*.