Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"benh hoc don snippets" » "sinh hoc don snippets", "benh hoc dong snippets", "benh hoc dan snippets", "benh hoc do 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: (((("benh hoc 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: (((("benh hoc don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( benh hoc don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("benh hoc don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.