Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat du hoc snippets" » "dat dau hoc snippets", "dat su hoc snippets", "dat de hoc snippets", "dat tu hoc snippets", "dat duoc hoc 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: (((("dat du hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat du hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat du hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat du hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.