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