Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"su tung pham snippets" » "su hung pham snippets", "su nhung pham snippets", "su trung phan snippets", "su trung pham snippets", "su tuong pham snippets", "su dung pham snippets", "su tung pham slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("su tung pham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("su tung pham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( su tung pham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("su tung pham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.