Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ky de snippets" » "nhan y de snippets", "nhat ky de snippets", "than ky de snippets", "nhan ky le snippets", "nhan ly 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: (((("nhan ky de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan ky de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ky de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ky de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.