Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao do vo snippets" » "dao o vo snippets", "dao ho vo snippets", "dao dong vo snippets", "dao do voi snippets", "dao do bo snippets", "dao do va 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: (((("dao do vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao do vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao do vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao do vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.