Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac dai du snippets" » "cac dan du snippets", "cac bai du snippets", "can dai du snippets", "cac dai dua snippets", "cac dai de snippets", "cac day du 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: (((("cac dai 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: (((("cac dai du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac dai du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac dai du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.