Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc phap nom snippets" » "hoc phan nom snippets", "hoc phat nom snippets", "hoc pho nom snippets", "hoc phap nham snippets", "hoc phap nuoc snippets", "hoc phap nuoi 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: (((("hoc phap nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc phap nom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc phap nom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc phap nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.