Perhaps you should try some spelling variations:
ylang ylang » yang yang
chen chang » chen chung, chin chang, shen chang
chang wang » chang ann, chang won, hong wang
lang yang » wang yang, yang yang, huang yang
wang gan » wang yan, wang ban, wang dan
yi chen » jui chen
gan yue » wang yue, dian yue, yang yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((((lang yang) OR (lang lang))) or (ylang ylang)) yi chen chang wang gan yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((((lang yang) OR (lang lang))) OR (ylang ylang)) yi chen chang wang gan yue ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((((lang yang) OR (lang lang))) or (ylang ylang)) yi chen chang wang gan yue ;*".