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