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