Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len bon cong snippets" » "len bo cong snippets", "len ban cong snippets", "len bot cong snippets", "le bon cong snippets", "len con cong snippets", "len cong 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: (((("len bon cong 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 bon cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len bon cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len bon cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.