Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac ke doan snippets" » "cac ket doan snippets", "cac ke toan snippets", "cac ke dan snippets", "tac ke doan snippets", "cac ky doan 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 ke doan 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 ke doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac ke doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac ke doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.