Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan cua co snippets" » "hoa cua co snippets", "toan cua co snippets", "han cua co snippets", "hoan cua bo snippets", "hoan cua cong 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: (((("hoan cua co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoan cua co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan cua co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan cua co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.