Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc xa toan snippets" » "thuc xay toan snippets", "tuc xa toan snippets", "thuc va toan snippets", "thuc xa tan snippets", "thuc xuan toan 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: (((("thuc xa toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc xa toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc xa toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc xa toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.