Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den so he snippets" » "den soc he snippets", "den son he snippets", "den o he snippets", "den so ha snippets", "den do he snippets", "den so le snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("den so he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den so he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den so he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den so he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.