Perhaps you should try some spelling variations:
things adding » thing adding, things during, things using
lang yan » wang yan, wang yang, zhang yan
yan yang » yang yang, yao yang, dan yang
2d first » 2 first, 28 first, 3d first
d first » 3d first, 2 first, 3 first
dong » doing, long, done
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan yang ((d first) OR (2d first)) things adding dong sin ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan yang ((d first) OR (2d first)) things adding dong sin ;".
• Adding a wildcard symbol may retrieve word variants: lang yan yang ((d first) OR (2d first)) things adding dong sin ;*.