Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc do do snippets" » "duoc dao do snippets", "duoc co do snippets", "duoc vo do snippets", "duoc so do snippets", "duoc do 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: (((("duoc do 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: (((("duoc do do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc do do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc do do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.