Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat dan so snippets" » "hat dan so snippets", "phan dang so snippets", "pham dang so snippets", "phat dan soc snippets", "phat dan su snippets", "phat dan mo 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: (((("phat dan 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: (((("phat dan so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat dan so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat dan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.