Perhaps you should try some spelling variations:
ylast » last (Expand Search), yeast (Expand Search)
yfast » yeast (Expand Search), zfast (Expand Search), wfast (Expand Search), ypast (Expand Search)
wlast » last (Expand Search), wfast (Expand Search)
weast » least (Expand Search), yeast (Expand Search), beast (Expand Search), wleast (Expand Search), wpast (Expand Search), wlast (Expand Search)
blast » last (Expand Search)
west » test (Expand Search), best (Expand Search)
fast » past (Expand Search)
east » least (Expand Search), past (Expand Search), last (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((ylast OR ((yfast OR ylast) OR ((((wlast OR weast) OR blast) OR west) OR fast))) OR east)~".
• Adding a wildcard symbol may retrieve word variants: ((ylast OR ((yfast OR ylast) OR ((((wlast OR weast) OR blast) OR west) OR fast))) OR east)*.