Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan sinh du snippets" » "phan slinh du snippets", "nhan sinh du snippets", "phau sinh du snippets", "phan dinh du snippets", "phan sinh de snippets", "phan sinh dh 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 sinh du 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 sinh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan sinh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan sinh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.