Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan cua ve snippets" » "hoa cua ve snippets", "toan cua ve snippets", "han cua ve snippets", "hoan cua vi snippets", "hoan cua te snippets", "hoan cua vu 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 ve 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 ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan cua ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan cua ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.