Perhaps you should try some spelling variations:
ylang klang » ylang ylang, lang lang
wang ylang » ylang ylang, wang yan, wang liang
things era » things here, things were, things a
3.1 smart » 3.2 smart, 2.1 smart, 3.3 smart
wang yang » wang yan, wang liang, wang yanling
31 smart » 3 smart, 11 smart, 3.2 smart
sin » sign, sind, skin

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: wang ylang klang ((31 smart) OR (3.1 smart)) things era ((wang yang) OR (dong sin)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ylang klang ((31 smart) OR (3.1 smart)) things era ((wang yang) or (dong sin)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ylang klang ((31 smart) OR (3.1 smart)) things era ((wang yang) or (dong sin)) ;*.