Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc phan me snippets" » "thuc pham me snippets", "thu phan me snippets", "thuc chan me snippets", "thuc phan mem snippets", "thuc phan le snippets", "thuc phan mo 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 phan me 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 phan me snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc phan me snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc phan me snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.