Perhaps you should try some spelling variations:
gust responses » yeast responses, root responses, unit responses
best responses » best response, yeast responses, test response
test responses » best response, stress responses, forest responses
host responses » host response
gust response » host response, fast response, best response

Try widening your search to All Fields.

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: (%wird OR %find) ((((((gust responses) OR (gust response))) OR (best responses))) OR (((test responses) OR (host responses))))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(%wird or %find) ((((((gust responses) OR (gust response))) or (best responses))) or (((test responses) or (host responses))))%22".
• Adding a wildcard symbol may retrieve word variants: (%wird or %find) ((((((gust responses) OR (gust response))) or (best responses))) or (((test responses) or (host responses))))%22*.