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