Perhaps you should try some spelling variations:
ylang ylang » yang yang, lang lang
ylang yang » yang yang, wang yang, huang yang
ying jin » yang jin, jing ji, yang jie
wong sau » wong sam, wong siu, wong shiu
won sau » wong sam, wong siu
xi li » xi ai
li li » li lin, li l, li lu

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 ylang yang ((xi li) OR (li li)) ying jin ((won sau) OR (wong sau)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ylang ylang yang ((xi li) OR (li li)) ying jin ((won sau) or (wong sau)) ;~".
• Adding a wildcard symbol may retrieve word variants: ylang ylang yang ((xi li) OR (li li)) ying jin ((won sau) or (wong sau)) ;*.