Perhaps you should try some spelling variations:
"creating vna core snippets" » "creating a core snippets", "creating _ core snippets"
"reading 19 a snippets" » "reading 1 a snippets", "reading _ a snippets", "reading 2 a snippets", "reading 19 _ snippets"
"locating bug code 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 vna core snippets") or ("reading 19 a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating vna core snippets") OR ("reading 19 a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating vna core snippets ) or ( reading 19 a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating vna core snippets") or ("reading 19 a snippets"))) or ("locating bug code snippets"))*.