Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den nam do snippets" » "dan nam do snippets", "det nam do snippets", "den cam do snippets", "den nam dao snippets", "den nam doi snippets", "den nam bo 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 nam do 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 nam do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den nam do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den nam do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.