Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan meo doi snippets" » "phan mem doi snippets", "phan mo doi snippets", "phan mien doi snippets", "phan meo ngoi snippets", "phan theo doi 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 meo doi 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 meo doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan meo doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan meo doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.