Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men sinh hoi snippets" » "den sinh hoi snippets", "benh sinh hoi snippets", "kien sinh hoi snippets", "men sinh khoi snippets", "men sinh hoc snippets", "men sinh moi 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: (((("men sinh hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("men sinh hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men sinh hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men sinh hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.