Perhaps you should try some spelling variations:
"creating doi va snippets" » "creating _ va snippets", "creating a va snippets", "creating hoi va snippets", "creating noi va snippets", "creating dai va snippets", "creating doi va slippers"
"reading _ code snippets" » "reading _ code slippers", "leading _ code snippets", "reading _ core snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("creating doi va snippets") or ("reading _ code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating doi va snippets") OR ("reading _ code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating doi va snippets ) or ( reading _ code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating doi va snippets") or ("reading _ code snippets"))) or ("locating bug code snippets"))*.