Perhaps you should try some spelling variations:
ylang yang » ylang ylang, yang yang, huang yang
wang yang » wang yan, wang liang, wang yanling
john wong » john bonn
john song » john bonn, john ngosong
liang li » ling li, qiang li, liang wei
lu ying » li ying, ku ying, lu ding
li lu » li ju, li l, li li

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: ((ylang yang) OR (wang yang)) liang li lu ying ((john wong) OR (john song)) sam ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ylang yang) OR (wang yang)) liang li lu ying ((john wong) or (john song)) sam ;~".
• Adding a wildcard symbol may retrieve word variants: ((ylang yang) OR (wang yang)) liang li lu ying ((john wong) or (john song)) sam ;*.