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