Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat ha don snippets" » "khat ha don snippets", "phan ha don snippets", "pham ha don snippets", "phat ha dong snippets", "phat hoa don snippets", "phat la don 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: (((("phat ha don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat ha don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat ha don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat ha don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.