Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban co hoat snippets" » "ban cao hoat snippets", "ban che hoat snippets", "ban toi hoat snippets", "ban do hoat snippets", "san co hoat 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 co hoat 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 co hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban co hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban co hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.