Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc phan me snippets" » "hoc dan me snippets", "hoc pho me snippets", "hoc phan mem snippets", "hoc phan le snippets", "hoc phan mo 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: (((("python using java snippets") or ("hoc phan me snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoc phan me snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoc phan me snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc phan me snippets"))) or ("locating bug code snippets"))*.