Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len noi ve snippets" » "len ngoi ve snippets", "benh noi ve snippets", "len troi ve snippets", "len moi ve snippets", "len noi va 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: (((("len noi 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: (((("len noi ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len noi ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len noi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.