Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban xy model snippets" » "ban a model snippets", "ban 1 model snippets", "ban _ model snippets", "ban ky model snippets", "ban ly model snippets", "ban my model 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: (((("ban xy model snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban xy model snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban xy model snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban xy model snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.