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