Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuc van du snippets" » "thuc van du snippets", "truc van du snippets", "tuc va du snippets", "tuc van duy snippets", "tuc van dau snippets", "tuc 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: (((("tuc 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: (((("tuc van du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuc van du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuc van du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.