Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan ham ca snippets" » "phan ha ca snippets", "phan cam ca snippets", "phan hai ca snippets", "phan pham ca snippets", "phan ham cua snippets", "phan am ca 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: (((("phan ham 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: (((("phan ham ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan ham ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ham ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.