Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban can doc snippets" » "ban dan doc snippets", "ban hang doc snippets", "ban hanh doc snippets", "ban nang doc snippets", "ban than doc snippets", "ban can dong 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 can doc 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 can doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban can doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban can doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.