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