Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"how ban chat snippets" » "how van chat snippets", "how bao chat snippets", "how luan chat snippets", "hoc ban chat snippets", "hon ban chat snippets", "how can chat 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: (((("how ban chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("how ban chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( how ban chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("how ban chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.