Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban what can snippets" » "ban chat can snippets", "ban phap can snippets", "ban than can snippets", "ban hau can snippets", "ban bat can snippets", "ban pham can 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 what can 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 what can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban what can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban what can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.