Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha ta hoc snippets" » "pha tap hoc snippets", "pha tan hoc snippets", "pham tai hoc snippets", "pha tai hoc snippets", "pha tam hoc snippets", "pha te 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 ta 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 ta hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha ta hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha ta hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.