Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat hat ca snippets" » "phat ha ca snippets", "phap phat ca snippets", "pham nhat ca snippets", "phat hat cua snippets", "phat tat ca snippets", "phat hat va 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 hat ca 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 hat ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat hat ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat hat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.