Perhaps you should try some spelling variations:
"sol-novel techniques" » "soil-novel techniques", "soll-novel techniques", "soul-novel techniques"
"sold-novel techniques" » "soild-novel techniques", "solld-novel techniques", "sould-novel techniques"
"sol-formal techniques" » "soil-formal techniques", "soll-formal techniques", "soul-formal techniques"

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: (((("sol-novel techniques") OR ("sold-novel techniques"))) OR ("sol-formal techniques")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"sol-novel techniques\") OR (\"sold-novel techniques\"))) or (\"sol-formal techniques\"))".
• Removing quotes may allow a broader search: (((( sol-novel techniques ) OR ( sold-novel techniques ))) or ( sol-formal techniques )).
• Adding a wildcard symbol may retrieve word variants: (((("sol-novel techniques") OR ("sold-novel techniques"))) or ("sol-formal techniques"))*.