Perhaps you should try some spelling variations:
"value a ratios" » "value aa ratios", "value ag ratios", "value ca ratios"
"value o ratio" » "value 4 ratio", "value 3 ratio", "value 2 ratio", "value o ratios", "value _ ratio", "value a ratio"
"value 5 ratio" » "value _ ratio", "value 4 ratio", "value 3 ratio", "value 5 radio"

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: "((((\"value o ratio\") OR (\"value 5 ratio\"))) OR (\"value a ratios\"))".
• Removing quotes may allow a broader search: (((( value o ratio ) OR ( value 5 ratio ))) OR ( value a ratios )).
• Adding a wildcard symbol may retrieve word variants: (((("value o ratio") OR ("value 5 ratio"))) OR ("value a ratios"))*.