Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach mao so snippets" » "bach mai so snippets", "bach giao so snippets", "bach ha so snippets", "bach ma so snippets", "bach cao 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: (((("bach mao 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: (((("bach mao so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach mao so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach mao so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.