Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan dua ca snippets" » "phan duc ca snippets", "phan duy ca snippets", "phan quan ca snippets", "phan qua ca snippets", "phan dua ra snippets", "phan rua 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 dua 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 dua ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan dua ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan dua ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.