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