Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men sinh voi snippets" » "den sinh voi snippets", "benh sinh voi snippets", "kien sinh voi snippets", "men sinh moi snippets", "men binh voi snippets", "men minh voi 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 voi 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 voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men sinh voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men sinh voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.