Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"von hang di snippets" » "von bang di snippets", "van hang di snippets", "voi hang di snippets", "von hang doi snippets", "von hang vi snippets", "von hang dien 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: (((("von hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("von hang di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( von hang di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("von hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.