Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bieu cua he snippets" » "dieu cua he snippets", "hieu cua he snippets", "giau cua he snippets", "bieu cua che snippets", "bieu cua te snippets", "bieu cua 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: (((("python using java snippets") or ("bieu cua he snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("bieu cua he snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( bieu cua he snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("bieu cua he snippets"))) or ("locating bug code snippets"))*.