Perhaps you should try some spelling variations:
wang chung » wang chun, wai chung, fung chung
minh congo » minh cong, bind congo
wang yang » wang yan, wang liang, wang yanling
yang wang » yang yang, yan wang, yang guang
chung yee » chung hee, chung jae, chua yee
amin hong » min hong, among hong, tin hong
yee tuan » le tuan, yee shan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang wang chung yee tuan ((amin hong) or (minh congo)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang wang chung yee tuan ((amin hong) OR (minh congo)) shu ;.
• Adding a wildcard symbol may retrieve word variants: wang yang wang chung yee tuan ((amin hong) or (minh congo)) shu ;*.