Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach diep di snippets" » "bach dieu di snippets", "mach dien di snippets", "bach viet di snippets", "bach dep di snippets", "bach dien di snippets", "bach dien dia 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 diep di 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 diep di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach diep di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach diep di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.