Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat theo ho snippets" » "nhat nheo ho snippets", "pham theo ho snippets", "nam theo ho snippets", "nhat theo hop snippets", "nhat theo bo snippets", "nhat tho ho 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: (((("nhat theo ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat theo ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat theo ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat theo ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.