Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nham pham ca snippets" » "nham phat ca snippets", "kham pha ca snippets", "pham phap ca snippets", "nham pham can snippets", "nham pham ma snippets", "nham pham 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: (((("nham pham 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: (((("nham pham ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nham pham ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nham pham ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.