Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha tap hoc snippets" » "phan tap hoc snippets", "pham tai hoc snippets", "pha tap hop snippets", "pha tap hoa snippets", "pha ta hoc 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: (((("pha tap hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha tap hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha tap hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tap hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.